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-rw-r--r--pkgs/development/python-modules/Babel/default.nix29
-rw-r--r--pkgs/development/python-modules/autobahn/default.nix78
-rw-r--r--pkgs/development/python-modules/cffi/default.nix12
-rw-r--r--pkgs/development/python-modules/datatable/default.nix2
-rw-r--r--pkgs/development/python-modules/django/2.nix4
-rw-r--r--pkgs/development/python-modules/django/3.nix4
-rw-r--r--pkgs/development/python-modules/dnspython/1.nix14
-rw-r--r--pkgs/development/python-modules/dnspython/default.nix14
-rw-r--r--pkgs/development/python-modules/dotmap/default.nix30
-rw-r--r--pkgs/development/python-modules/enaml/default.nix4
-rw-r--r--pkgs/development/python-modules/flask-appbuilder/default.nix28
-rw-r--r--pkgs/development/python-modules/gst-python/default.nix4
-rw-r--r--pkgs/development/python-modules/hyperlink/default.nix11
-rw-r--r--pkgs/development/python-modules/iso8601/default.nix19
-rw-r--r--pkgs/development/python-modules/johnnycanencrypt/default.nix2
-rw-r--r--pkgs/development/python-modules/kiwisolver/1_1.nix2
-rw-r--r--pkgs/development/python-modules/kiwisolver/default.nix2
-rw-r--r--pkgs/development/python-modules/libarcus/default.nix4
-rw-r--r--pkgs/development/python-modules/libsavitar/default.nix4
-rw-r--r--pkgs/development/python-modules/llvmlite/default.nix2
-rw-r--r--pkgs/development/python-modules/matplotlib/2.nix19
-rw-r--r--pkgs/development/python-modules/matplotlib/default.nix38
-rw-r--r--pkgs/development/python-modules/matplotlib/setup-darwin.cfg7
-rw-r--r--pkgs/development/python-modules/matplotlib/setup.cfg5
-rw-r--r--pkgs/development/python-modules/meshtastic/default.nix57
-rw-r--r--pkgs/development/python-modules/numba/default.nix2
-rw-r--r--pkgs/development/python-modules/pandas/2.nix2
-rw-r--r--pkgs/development/python-modules/pandas/default.nix2
-rw-r--r--pkgs/development/python-modules/poppler-qt5/default.nix6
-rw-r--r--pkgs/development/python-modules/prison/default.nix4
-rw-r--r--pkgs/development/python-modules/py-cpuinfo/default.nix32
-rw-r--r--pkgs/development/python-modules/py-ubjson/default.nix32
-rw-r--r--pkgs/development/python-modules/py3exiv2/default.nix2
-rw-r--r--pkgs/development/python-modules/pycurl/default.nix64
-rw-r--r--pkgs/development/python-modules/pygatt/default.nix48
-rw-r--r--pkgs/development/python-modules/pykdl/default.nix4
-rw-r--r--pkgs/development/python-modules/pynest2d/default.nix4
-rw-r--r--pkgs/development/python-modules/pyqt-builder/default.nix4
-rw-r--r--pkgs/development/python-modules/pyqt/4.x.nix8
-rw-r--r--pkgs/development/python-modules/pyqt/5.x.nix4
-rw-r--r--pkgs/development/python-modules/python-engineio/3.nix2
-rw-r--r--pkgs/development/python-modules/qscintilla-qt5/default.nix4
-rw-r--r--pkgs/development/python-modules/random2/default.nix9
-rw-r--r--pkgs/development/python-modules/sip/4.x.nix44
-rw-r--r--pkgs/development/python-modules/sip/5.x.nix40
-rw-r--r--pkgs/development/python-modules/sip/default.nix56
-rw-r--r--pkgs/development/python-modules/sphinx/default.nix96
-rw-r--r--pkgs/development/python-modules/timeago/default.nix32
-rw-r--r--pkgs/development/python-modules/txaio/default.nix51
49 files changed, 616 insertions, 331 deletions
diff --git a/pkgs/development/python-modules/Babel/default.nix b/pkgs/development/python-modules/Babel/default.nix
index 1074d2eef48..183478396eb 100644
--- a/pkgs/development/python-modules/Babel/default.nix
+++ b/pkgs/development/python-modules/Babel/default.nix
@@ -1,38 +1,17 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, fetchpatch, pytz, pytest, freezegun, glibcLocales }:
+{ stdenv, lib, buildPythonPackage, fetchPypi, pytz, pytestCheckHook, freezegun }:
 
 buildPythonPackage rec {
   pname = "Babel";
-  version = "2.7.0";
+  version = "2.9.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e86135ae101e31e2c8ec20a4e0c5220f4eed12487d5cf3f78be7e98d3a57fc28";
+    sha256 = "018yg7g2pa6vjixx1nx41cfispgfi0azzp0a1chlycbj8jsil0ys";
   };
 
-  patches = [
-    # The following 2 patches fix the test suite failing on nix < 2.3 with
-    # Python < 3 because those nix versions do not run in a pseudoterminal,
-    # which makes Python 2 not set the default encoding to UTF-8, and the
-    # Babel code crashes when printing a warning in that case.
-    # See #75676 and https://github.com/python-babel/babel/pull/691.
-    # It is important to fix this because otherwise Babel is not buildable
-    # with older nix versions (e.g. on machines used as --builders).
-    # TODO: Remove at release > 2.8.0.
-    (fetchpatch {
-      name = "Babel-Introduce-invariant-that-invalid_pofile-takes-unicode-line.patch";
-      url = "https://github.com/python-babel/babel/commit/f4f6653e6aa053724d2c6dc0ee71dcb928013352.patch";
-      sha256 = "1kyknwn9blspcf9yxmgdiaxdii1dnkblyhcflqwhxyl1mss1dxv5";
-    })
-    (fetchpatch {
-      name = "Babel-Fix-unicode-printing-error-on-Python-2-without-TTY.patch";
-      url = "https://github.com/python-babel/babel/commit/da7f31143847659b6b74d802618b03438aceb350.patch";
-      sha256 = "09yny8614knr8ngrrddmqzkxk70am135rccv2ncc6dji4xbqbfln";
-    })
-  ];
-
   propagatedBuildInputs = [ pytz ];
 
-  checkInputs = [ pytest freezegun ];
+  checkInputs = [ pytestCheckHook freezegun ];
 
   doCheck = !stdenv.isDarwin;
 
diff --git a/pkgs/development/python-modules/autobahn/default.nix b/pkgs/development/python-modules/autobahn/default.nix
index 19015a5729a..2585cd539d7 100644
--- a/pkgs/development/python-modules/autobahn/default.nix
+++ b/pkgs/development/python-modules/autobahn/default.nix
@@ -1,34 +1,78 @@
-{ lib, buildPythonPackage, fetchPypi, isPy3k,
-  six, txaio, twisted, zope_interface, cffi,
-  mock, pytest, cryptography, pynacl
+{ lib
+, argon2_cffi
+, attrs
+, buildPythonPackage
+, cbor
+, cbor2
+, cffi
+, cryptography
+, fetchPypi
+, flatbuffers
+, mock
+, msgpack
+, passlib
+, pynacl
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+, twisted
+, py-ubjson
+, txaio
+, ujson
+, zope_interface
 }:
+
 buildPythonPackage rec {
   pname = "autobahn";
   version = "21.3.1";
-  disabled = !isPy3k;
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e126c1f583e872fb59e79d36977cfa1f2d0a8a79f90ae31f406faae7664b8e03";
+    sha256 = "00wf9dkfgakg80gy62prg650lb8zz9y9fdlxwxcznwp8hgsw29p1";
   };
 
-  propagatedBuildInputs = [ six txaio twisted zope_interface cffi cryptography pynacl ];
+  propagatedBuildInputs = [
+    argon2_cffi
+    cbor
+    cbor2
+    cffi
+    cryptography
+    flatbuffers
+    msgpack
+    passlib
+    py-ubjson
+    pynacl
+    twisted
+    txaio
+    ujson
+    zope_interface
+  ];
+
+  checkInputs = [
+    mock
+    pytest-asyncio
+    pytestCheckHook
+  ];
 
-  checkInputs = [ mock pytest ];
-  checkPhase = ''
-    runHook preCheck
-    USE_TWISTED=true py.test $out
-    runHook postCheck
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pytest>=2.8.6,<3.3.0" "pytest"
   '';
 
-  # Tests do no seem to be compatible yet with pytest 5.1
-  # https://github.com/crossbario/autobahn-python/issues/1235
-  doCheck = false;
+  preCheck = ''
+    # Run asyncio tests (requires twisted)
+    export USE_ASYNCIO=1
+  '';
+
+  pytestFlagsArray = [ "--pyargs autobahn" ];
+
+  pythonImportsCheck = [ "autobahn" ];
 
   meta = with lib; {
-    description = "WebSocket and WAMP in Python for Twisted and asyncio.";
-    homepage    = "https://crossbar.io/autobahn";
-    license     = licenses.mit;
+    description = "WebSocket and WAMP in Python for Twisted and asyncio";
+    homepage = "https://crossbar.io/autobahn";
+    license = licenses.mit;
     maintainers = with maintainers; [ nand0p ];
   };
 }
diff --git a/pkgs/development/python-modules/cffi/default.nix b/pkgs/development/python-modules/cffi/default.nix
index afd9cfdc295..92899ed85e5 100644
--- a/pkgs/development/python-modules/cffi/default.nix
+++ b/pkgs/development/python-modules/cffi/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildPythonPackage, isPyPy, fetchPypi, libffi, pycparser, pytest }:
+{ lib, stdenv, buildPythonPackage, isPyPy, fetchPypi, libffi, pycparser, pytestCheckHook }:
 
 if isPyPy then null else buildPythonPackage rec {
   pname = "cffi";
@@ -11,8 +11,9 @@ if isPyPy then null else buildPythonPackage rec {
 
   outputs = [ "out" "dev" ];
 
-  propagatedBuildInputs = [ libffi pycparser ];
-  checkInputs = [ pytest ];
+  buildInputs = [ libffi ];
+
+  propagatedBuildInputs = [ pycparser ];
 
   # On Darwin, the cffi tests want to hit libm a lot, and look for it in a global
   # impure search path. It's obnoxious how much repetition there is, and how difficult
@@ -33,9 +34,8 @@ if isPyPy then null else buildPythonPackage rec {
     "-Wno-unused-command-line-argument -Wno-unreachable-code";
 
   doCheck = !stdenv.hostPlatform.isMusl && !stdenv.isDarwin; # TODO: Investigate
-  checkPhase = ''
-    py.test -k "not test_char_pointer_conversion"
-  '';
+
+  checkInputs = [ pytestCheckHook ];
 
   meta = with lib; {
     maintainers = with maintainers; [ domenkozar lnl7 ];
diff --git a/pkgs/development/python-modules/datatable/default.nix b/pkgs/development/python-modules/datatable/default.nix
index c5271e473e3..60eb0df1d09 100644
--- a/pkgs/development/python-modules/datatable/default.nix
+++ b/pkgs/development/python-modules/datatable/default.nix
@@ -39,7 +39,7 @@ buildPythonPackage rec {
   checkInputs = [ docutils pytestCheckHook ];
 
   LLVM = llvm;
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-isystem ${libcxx}/include/c++/v1";
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-isystem ${lib.getDev libcxx}/include/c++/v1";
 
   pytestFlagsArray = let
     # ini file (not included in tarball) required to change python_files setting,
diff --git a/pkgs/development/python-modules/django/2.nix b/pkgs/development/python-modules/django/2.nix
index 991c353df17..e0d3cd12f8f 100644
--- a/pkgs/development/python-modules/django/2.nix
+++ b/pkgs/development/python-modules/django/2.nix
@@ -6,13 +6,13 @@
 
 buildPythonPackage rec {
   pname = "Django";
-  version = "2.2.20";
+  version = "2.2.22";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0r3a6gbhwngxl172yy6n0sq5knibl2vxc0wbk1g8licfbzfgjs95";
+    sha256 = "db2214db1c99017cbd971e58824e6f424375154fe358afc30e976f5b99fc6060";
   };
 
   patches = lib.optional withGdal
diff --git a/pkgs/development/python-modules/django/3.nix b/pkgs/development/python-modules/django/3.nix
index 62ca390eac5..321582946b3 100644
--- a/pkgs/development/python-modules/django/3.nix
+++ b/pkgs/development/python-modules/django/3.nix
@@ -13,13 +13,13 @@
 
 buildPythonPackage rec {
   pname = "Django";
-  version = "3.2";
+  version = "3.2.2";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "179qdxa438fnycnnf1j5z6359h1kbp2q7djf01v5jrr26xjgkw11";
+    sha256 = "0a1d195ad65c52bf275b8277b3d49680bd1137a5f55039a806f25f6b9752ce3d";
   };
 
   patches = lib.optional withGdal
diff --git a/pkgs/development/python-modules/dnspython/1.nix b/pkgs/development/python-modules/dnspython/1.nix
index 30f280a5029..5ff02c04338 100644
--- a/pkgs/development/python-modules/dnspython/1.nix
+++ b/pkgs/development/python-modules/dnspython/1.nix
@@ -1,4 +1,8 @@
-{ buildPythonPackage, fetchPypi, lib, pythonOlder }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
 
 buildPythonPackage rec {
   pname = "dnspython";
@@ -12,11 +16,11 @@ buildPythonPackage rec {
 
   # needs networking for some tests
   doCheck = false;
+  pythonImportsCheck = [ "dns" ];
 
-  meta = {
-    description = "A DNS toolkit for Python 3.x";
+  meta = with lib; {
+    description = "A DNS toolkit for Python";
     homepage = "http://www.dnspython.org";
-    # BSD-like, check https://www.dnspython.org/LICENSE for details
-    license = lib.licenses.free;
+    license = with licenses; [ isc ];
   };
 }
diff --git a/pkgs/development/python-modules/dnspython/default.nix b/pkgs/development/python-modules/dnspython/default.nix
index afb85fb61f5..56e69aac044 100644
--- a/pkgs/development/python-modules/dnspython/default.nix
+++ b/pkgs/development/python-modules/dnspython/default.nix
@@ -1,4 +1,8 @@
-{ buildPythonPackage, fetchPypi, lib, pythonOlder }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
 
 buildPythonPackage rec {
   pname = "dnspython";
@@ -13,11 +17,11 @@ buildPythonPackage rec {
 
   # needs networking for some tests
   doCheck = false;
+  pythonImportsCheck = [ "dns" ];
 
-  meta = {
-    description = "A DNS toolkit for Python 3.x";
+  meta = with lib; {
+    description = "A DNS toolkit for Python";
     homepage = "http://www.dnspython.org";
-    # BSD-like, check https://www.dnspython.org/LICENSE for details
-    license = lib.licenses.free;
+    license = with licenses; [ isc ];
   };
 }
diff --git a/pkgs/development/python-modules/dotmap/default.nix b/pkgs/development/python-modules/dotmap/default.nix
new file mode 100644
index 00000000000..cb5f032a6f2
--- /dev/null
+++ b/pkgs/development/python-modules/dotmap/default.nix
@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "dotmap";
+  version = "1.3.23";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0hy88kzzb7zhxfr7iyvl6rhmvz02538pbna7zypaard4a88bbbka";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "dotmap/test.py" ];
+
+  pythonImportsCheck = [ "dotmap" ];
+
+  meta = with lib; {
+    description = "Python for dot-access dictionaries";
+    homepage = "https://github.com/drgrib/dotmap";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/enaml/default.nix b/pkgs/development/python-modules/enaml/default.nix
index 1102443884f..8896c5c706a 100644
--- a/pkgs/development/python-modules/enaml/default.nix
+++ b/pkgs/development/python-modules/enaml/default.nix
@@ -5,7 +5,7 @@
 , ply
 , kiwisolver
 , qtpy
-, sip
+, sip_4
 , cppy
 , bytecode
 }:
@@ -44,7 +44,7 @@ buildPythonPackage rec {
     ply
     kiwisolver
     qtpy
-    sip
+    sip_4
     cppy
     bytecode
   ];
diff --git a/pkgs/development/python-modules/flask-appbuilder/default.nix b/pkgs/development/python-modules/flask-appbuilder/default.nix
index 6e98f6e80ac..e2c077162b1 100644
--- a/pkgs/development/python-modules/flask-appbuilder/default.nix
+++ b/pkgs/development/python-modules/flask-appbuilder/default.nix
@@ -6,6 +6,7 @@
 , colorama
 , click
 , email_validator
+, fetchpatch
 , flask
 , flask-babel
 , flask_login
@@ -20,21 +21,27 @@
 , python-dateutil
 , prison
 , pyjwt
+, pyyaml
 , sqlalchemy-utils
 }:
 
 buildPythonPackage rec {
   pname = "flask-appbuilder";
-  version = "3.1.1";
+  version = "3.2.3";
 
   src = fetchPypi {
     pname = "Flask-AppBuilder";
     inherit version;
-    sha256 = "076b020b0ba125339a2e710e74eab52648cde2b18599f7cb0fa1eada9bbb648c";
+    sha256 = "sha256-+ZYrn2LnVORyYsnZtsH3JX+4XbGgAZZ/Eh6O5gUP+y4=";
   };
 
-  checkInputs = [
-    nose
+  patches = [
+    (fetchpatch {
+      name = "flask_jwt_extended-and-pyjwt-patch";
+      url = "https://github.com/dpgaspar/Flask-AppBuilder/commit/7097a7b133f27c78d2b54d2a46e4a4c24478a066.patch";
+      sha256 = "sha256-ZpY8+2Hoz3z01GVtw2OIbQcsmAwa7iwilFWzgcGhY1w=";
+      includes = [ "flask_appbuilder/security/manager.py" "setup.py" ];
+    })
   ];
 
   propagatedBuildInputs = [
@@ -56,22 +63,23 @@ buildPythonPackage rec {
     python-dateutil
     prison
     pyjwt
+    pyyaml
     sqlalchemy-utils
   ];
 
   postPatch = ''
     substituteInPlace setup.py \
-      --replace "apispec[yaml]>=3.3, <4" "apispec" \
-      --replace "Flask-Login>=0.3, <0.5" "Flask-Login" \
-      --replace "Flask-Babel>=1, <2" "Flask-Babel" \
-      --replace "marshmallow-sqlalchemy>=0.22.0, <0.24.0" "marshmallow-sqlalchemy" \
-      --replace "prison>=0.1.3, <1.0.0" "prison"
+      --replace "apispec[yaml]>=3.3, <4" "apispec[yaml] >=3.3, <5" \
+      --replace "Flask-Login>=0.3, <0.5" "Flask-Login >=0.3, <0.6" \
+      --replace "Flask-Babel>=1, <2" "Flask-Babel >=1, <3" \
+      --replace "marshmallow-sqlalchemy>=0.22.0, <0.24.0" "marshmallow-sqlalchemy >=0.22.0, <0.25.0"
   '';
 
-
   # majority of tests require network access or mongo
   doCheck = false;
 
+  pythonImportsCheck = [ "flask_appbuilder" ];
+
   meta = with lib; {
     description = "Simple and rapid application development framework, built on top of Flask";
     homepage = "https://github.com/dpgaspar/flask-appbuilder/";
diff --git a/pkgs/development/python-modules/gst-python/default.nix b/pkgs/development/python-modules/gst-python/default.nix
index ea89f7214c6..a391d993cf0 100644
--- a/pkgs/development/python-modules/gst-python/default.nix
+++ b/pkgs/development/python-modules/gst-python/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "gst-python";
-  version = "1.18.0";
+  version = "1.18.4";
 
   format = "other";
 
@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   src = fetchurl {
     url = "${meta.homepage}/src/gst-python/${pname}-${version}.tar.xz";
-    sha256 = "0ifx2s2j24sj2w5jm7cxyg1kinnhbxiz4x0qp3gnsjlwbawfigvn";
+    sha256 = "13h9qzfz8s1gyj2ar9q2gf5346sgdv6jv8hj7aw0hpl2gs5f0s6b";
   };
 
   # Python 2.x is not supported.
diff --git a/pkgs/development/python-modules/hyperlink/default.nix b/pkgs/development/python-modules/hyperlink/default.nix
index ad56de86782..21927683b18 100644
--- a/pkgs/development/python-modules/hyperlink/default.nix
+++ b/pkgs/development/python-modules/hyperlink/default.nix
@@ -1,4 +1,10 @@
-{ lib, buildPythonPackage, fetchPypi, isPy27, idna, typing ? null }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, idna
+, typing ? null
+}:
 
 buildPythonPackage rec {
   pname = "hyperlink";
@@ -6,7 +12,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "427af957daa58bc909471c6c40f74c5450fa123dd093fc53efd2e91d2705a56b";
+    sha256 = "0sx50lkivsfjxx9zr4yh7l9gll2l9kvl0v0w8w4wk2x5v9bzjyj2";
   };
 
   propagatedBuildInputs = [ idna ]
@@ -14,6 +20,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A featureful, correct URL for Python";
+    homepage = "https://github.com/python-hyper/hyperlink";
     license = licenses.mit;
     platforms = platforms.all;
     maintainers = with maintainers; [ apeschar ];
diff --git a/pkgs/development/python-modules/iso8601/default.nix b/pkgs/development/python-modules/iso8601/default.nix
index 783f6f1eb30..d0a74f400bb 100644
--- a/pkgs/development/python-modules/iso8601/default.nix
+++ b/pkgs/development/python-modules/iso8601/default.nix
@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, pytest
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -13,15 +13,18 @@ buildPythonPackage rec {
     sha256 = "8aafd56fa0290496c5edbb13c311f78fa3a241f0853540da09d9363eae3ebd79";
   };
 
-  checkInputs = [ pytest ];
+  checkInputs = [
+    pytestCheckHook
+  ];
 
-  checkPhase = ''
-    py.test iso8601
-  '';
+  pytestFlagsArray = [ "iso8601" ];
 
-  meta = {
-    homepage = "https://bitbucket.org/micktwomey/pyiso8601/";
+  pythonImportsCheck = [ "iso8601" ];
+
+  meta = with lib; {
     description = "Simple module to parse ISO 8601 dates";
-    maintainers = with lib.maintainers; [ phreedom ];
+    homepage = "https://pyiso8601.readthedocs.io/";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
   };
 }
diff --git a/pkgs/development/python-modules/johnnycanencrypt/default.nix b/pkgs/development/python-modules/johnnycanencrypt/default.nix
index 460b0cddf61..d2d4719dab4 100644
--- a/pkgs/development/python-modules/johnnycanencrypt/default.nix
+++ b/pkgs/development/python-modules/johnnycanencrypt/default.nix
@@ -39,7 +39,7 @@ buildPythonPackage rec {
 
   cargoSha256 = "0ifvpdizcdp2c5x2x2j1bhhy5a75q0pk7a63dmh52mlpmh45fy6r";
 
-  LIBCLANG_PATH = llvmPackages.libclang + "/lib";
+  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
 
   propagatedBuildInputs = [
     requests
diff --git a/pkgs/development/python-modules/kiwisolver/1_1.nix b/pkgs/development/python-modules/kiwisolver/1_1.nix
index 0702e3518e0..762b5bc0b7b 100644
--- a/pkgs/development/python-modules/kiwisolver/1_1.nix
+++ b/pkgs/development/python-modules/kiwisolver/1_1.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
     sha256 = "53eaed412477c836e1b9522c19858a8557d6e595077830146182225613b11a75";
   };
 
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
   # Does not include tests
   doCheck = false;
diff --git a/pkgs/development/python-modules/kiwisolver/default.nix b/pkgs/development/python-modules/kiwisolver/default.nix
index d4d62787092..2b157494f91 100644
--- a/pkgs/development/python-modules/kiwisolver/default.nix
+++ b/pkgs/development/python-modules/kiwisolver/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
     sha256 = "950a199911a8d94683a6b10321f9345d5a3a8433ec58b217ace979e18f16e248";
   };
 
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
   nativeBuildInputs = [
     cppy
diff --git a/pkgs/development/python-modules/libarcus/default.nix b/pkgs/development/python-modules/libarcus/default.nix
index edea85876a8..a48d70c544c 100644
--- a/pkgs/development/python-modules/libarcus/default.nix
+++ b/pkgs/development/python-modules/libarcus/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonPackage, python, fetchFromGitHub
-, cmake, sip, protobuf, pythonOlder }:
+, cmake, sip_4, protobuf, pythonOlder }:
 
 buildPythonPackage rec {
   pname = "libarcus";
@@ -15,7 +15,7 @@ buildPythonPackage rec {
 
   disabled = pythonOlder "3.4.0";
 
-  propagatedBuildInputs = [ sip ];
+  propagatedBuildInputs = [ sip_4 ];
   nativeBuildInputs = [ cmake ];
   buildInputs = [ protobuf ];
 
diff --git a/pkgs/development/python-modules/libsavitar/default.nix b/pkgs/development/python-modules/libsavitar/default.nix
index f6aa1b378f5..7ecd09160ff 100644
--- a/pkgs/development/python-modules/libsavitar/default.nix
+++ b/pkgs/development/python-modules/libsavitar/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, python, pythonOlder, fetchFromGitHub, cmake, sip }:
+{ lib, buildPythonPackage, python, pythonOlder, fetchFromGitHub, cmake, sip_4 }:
 
 buildPythonPackage rec {
   pname = "libsavitar";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [ cmake ];
 
-  propagatedBuildInputs = [ sip ];
+  propagatedBuildInputs = [ sip_4 ];
 
   disabled = pythonOlder "3.4.0";
 
diff --git a/pkgs/development/python-modules/llvmlite/default.nix b/pkgs/development/python-modules/llvmlite/default.nix
index b5e6847a9f0..c7d2221a22e 100644
--- a/pkgs/development/python-modules/llvmlite/default.nix
+++ b/pkgs/development/python-modules/llvmlite/default.nix
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   '';
   # Set directory containing llvm-config binary
   preConfigure = ''
-    export LLVM_CONFIG=${llvm}/bin/llvm-config
+    export LLVM_CONFIG=${llvm.dev}/bin/llvm-config
   '';
   checkPhase = ''
     ${python.executable} runtests.py
diff --git a/pkgs/development/python-modules/matplotlib/2.nix b/pkgs/development/python-modules/matplotlib/2.nix
index 2c929d9a694..a6ee1a3bade 100644
--- a/pkgs/development/python-modules/matplotlib/2.nix
+++ b/pkgs/development/python-modules/matplotlib/2.nix
@@ -1,24 +1,16 @@
-{ lib, stdenv, fetchPypi, python, buildPythonPackage, pycairo, backports_functools_lru_cache
+{ lib, stdenv, fetchPypi, writeText, python, buildPythonPackage, pycairo, backports_functools_lru_cache
 , which, cycler, dateutil, nose, numpy, pyparsing, sphinx, tornado, kiwisolver
 , freetype, libpng, pkg-config, mock, pytz, pygobject3, gobject-introspection, functools32, subprocess32
 , fetchpatch
-, enableGhostscript ? false, ghostscript ? null, gtk3
+, enableGhostscript ? false, ghostscript, gtk3
 , enableGtk3 ? false, cairo
 # darwin has its own "MacOSX" backend
-, enableTk ? !stdenv.isDarwin, tcl ? null, tk ? null, tkinter ? null, libX11 ? null
+, enableTk ? !stdenv.isDarwin, tcl, tk, tkinter, libX11
 , enableQt ? false, pyqt4
 , Cocoa
 , pythonOlder
 }:
 
-assert enableGhostscript -> ghostscript != null;
-assert enableTk -> (tcl != null)
-                && (tk != null)
-                && (tkinter != null)
-                && (libX11 != null)
-                ;
-assert enableQt -> pyqt4 != null;
-
 buildPythonPackage rec {
   version = "2.2.3";
   pname = "matplotlib";
@@ -54,7 +46,10 @@ buildPythonPackage rec {
     ++ lib.optionals enableQt [ pyqt4 ]
     ++ lib.optionals python.isPy2 [ functools32 subprocess32 ];
 
-  setup_cfg = ./setup.cfg;
+  passthru.config = {
+    directories = { basedirlist = "."; };
+  };
+  setup_cfg = writeText "setup.cfg" (lib.generators.toINI {} passthru.config);
   preBuild = ''
     cp "$setup_cfg" ./setup.cfg
   '';
diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index 4be4189f8c7..7364920cba2 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -1,33 +1,25 @@
-{ lib, stdenv, fetchPypi, python, buildPythonPackage, isPy3k, pycairo, backports_functools_lru_cache
+{ lib, stdenv, fetchPypi, writeText, python, buildPythonPackage, isPy3k, pycairo, backports_functools_lru_cache
 , which, cycler, dateutil, nose, numpy, pyparsing, sphinx, tornado, kiwisolver
-, freetype, libpng, pkg-config, mock, pytz, pygobject3, gobject-introspection
+, freetype, qhull, libpng, pkg-config, mock, pytz, pygobject3, gobject-introspection
 , certifi, pillow
-, enableGhostscript ? true, ghostscript ? null, gtk3
+, enableGhostscript ? true, ghostscript, gtk3
 , enableGtk3 ? false, cairo
 # darwin has its own "MacOSX" backend
-, enableTk ? !stdenv.isDarwin, tcl ? null, tk ? null, tkinter ? null, libX11 ? null
-, enableQt ? false, pyqt5 ? null
+, enableTk ? !stdenv.isDarwin, tcl, tk, tkinter, libX11
+, enableQt ? false, pyqt5
 , Cocoa
 , pythonOlder
 }:
 
-assert enableGhostscript -> ghostscript != null;
-assert enableTk -> (tcl != null)
-                && (tk != null)
-                && (tkinter != null)
-                && (libX11 != null)
-                ;
-assert enableQt -> pyqt5 != null;
-
 buildPythonPackage rec {
-  version = "3.3.4";
+  version = "3.4.1";
   pname = "matplotlib";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3e477db76c22929e4c6876c44f88d790aacdf3c3f8f3a90cb1975c0bf37825b0";
+    sha256 = "84d4c4f650f356678a5d658a43ca21a41fca13f9b8b00169c0b76e6a6a948908";
   };
 
   XDG_RUNTIME_DIR = "/tmp";
@@ -39,13 +31,23 @@ buildPythonPackage rec {
     ++ lib.optional stdenv.isDarwin [ Cocoa ];
 
   propagatedBuildInputs =
-    [ cycler dateutil numpy pyparsing tornado freetype kiwisolver
-      certifi libpng mock pytz pillow ]
+    [ cycler dateutil numpy pyparsing tornado freetype qhull
+      kiwisolver certifi libpng mock pytz pillow ]
     ++ lib.optionals enableGtk3 [ cairo pycairo gtk3 gobject-introspection pygobject3 ]
     ++ lib.optionals enableTk [ tcl tk tkinter libX11 ]
     ++ lib.optionals enableQt [ pyqt5 ];
 
-  setup_cfg = if stdenv.isDarwin then ./setup-darwin.cfg else ./setup.cfg;
+  passthru.config = {
+    directories = { basedirlist = "."; };
+    libs = {
+      system_freetype = true;
+      system_qhull = true;
+    } // lib.optionalAttrs stdenv.isDarwin {
+      # LTO not working in darwin stdenv, see #19312
+      enable_lto = false;
+    };
+  };
+  setup_cfg = writeText "setup.cfg" (lib.generators.toINI {} passthru.config);
   preBuild = ''
     cp "$setup_cfg" ./setup.cfg
   '';
diff --git a/pkgs/development/python-modules/matplotlib/setup-darwin.cfg b/pkgs/development/python-modules/matplotlib/setup-darwin.cfg
deleted file mode 100644
index f6463d9c574..00000000000
--- a/pkgs/development/python-modules/matplotlib/setup-darwin.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-[directories]
-basedirlist = .
-
-[libs]
-system_freetype = true
-# LTO not working in darwin stdenv, see #19312
-enable_lto = false
diff --git a/pkgs/development/python-modules/matplotlib/setup.cfg b/pkgs/development/python-modules/matplotlib/setup.cfg
deleted file mode 100644
index 6a773862765..00000000000
--- a/pkgs/development/python-modules/matplotlib/setup.cfg
+++ /dev/null
@@ -1,5 +0,0 @@
-[directories]
-basedirlist = .
-
-[libs]
-system_freetype = true
diff --git a/pkgs/development/python-modules/meshtastic/default.nix b/pkgs/development/python-modules/meshtastic/default.nix
new file mode 100644
index 00000000000..c8a9d78e7c1
--- /dev/null
+++ b/pkgs/development/python-modules/meshtastic/default.nix
@@ -0,0 +1,57 @@
+{ lib
+, buildPythonPackage
+, dotmap
+, fetchPypi
+, pexpect
+, protobuf
+, pygatt
+, pypubsub
+, pyqrcode
+, pyserial
+, pythonOlder
+, tabulate
+, timeago
+}:
+
+buildPythonPackage rec {
+  pname = "meshtastic";
+  version = "1.2.30";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1kjflc2jwnsgxyr2zx1gyykhak9fsgy6hxaxlggsz5sw9b8rdrby";
+  };
+
+  propagatedBuildInputs = [
+    dotmap
+    pexpect
+    protobuf
+    pygatt
+    pypubsub
+    pyqrcode
+    pyserial
+    tabulate
+    timeago
+  ];
+
+  postPatch = ''
+    # https://github.com/meshtastic/Meshtastic-python/pull/87
+    substituteInPlace setup.py \
+      --replace 'with open("README.md", "r") as fh:' "" \
+      --replace "long_description = fh.read()" "" \
+      --replace "long_description=long_description," 'long_description="",'
+  '';
+
+  # Project only provides PyPI releases which don't contain the tests
+  # https://github.com/meshtastic/Meshtastic-python/issues/86
+  doCheck = false;
+  pythonImportsCheck = [ "meshtastic" ];
+
+  meta = with lib; {
+    description = "Python API for talking to Meshtastic devices";
+    homepage = "https://meshtastic.github.io/Meshtastic-python/";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index 211e9d6185f..c49a4105abe 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
     sha256 = "55c11d7edbba2ba715f2b56f5294cad55cfd87bff98e2627c3047c2d5cc52d16";
   };
 
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
   propagatedBuildInputs = [ numpy llvmlite setuptools ];
   pythonImportsCheck = [ "numba" ];
diff --git a/pkgs/development/python-modules/pandas/2.nix b/pkgs/development/python-modules/pandas/2.nix
index 936a3db296e..8af4094b0cf 100644
--- a/pkgs/development/python-modules/pandas/2.nix
+++ b/pkgs/development/python-modules/pandas/2.nix
@@ -59,7 +59,7 @@ buildPythonPackage rec {
   # For OSX, we need to add a dependency on libcxx, which provides
   # `complex.h` and other libraries that pandas depends on to build.
   postPatch = lib.optionalString stdenv.isDarwin ''
-    cpp_sdk="${libcxx}/include/c++/v1";
+    cpp_sdk="${lib.getDev libcxx}/include/c++/v1";
     echo "Adding $cpp_sdk to the setup.py common_include variable"
     substituteInPlace setup.py \
       --replace "['pandas/src/klib', 'pandas/src']" \
diff --git a/pkgs/development/python-modules/pandas/default.nix b/pkgs/development/python-modules/pandas/default.nix
index 7fd551e192c..f3505e3c9a6 100644
--- a/pkgs/development/python-modules/pandas/default.nix
+++ b/pkgs/development/python-modules/pandas/default.nix
@@ -77,7 +77,7 @@ buildPythonPackage rec {
   # For OSX, we need to add a dependency on libcxx, which provides
   # `complex.h` and other libraries that pandas depends on to build.
   postPatch = lib.optionalString stdenv.isDarwin ''
-    cpp_sdk="${libcxx}/include/c++/v1";
+    cpp_sdk="${lib.getDev libcxx}/include/c++/v1";
     echo "Adding $cpp_sdk to the setup.py common_include variable"
     substituteInPlace setup.py \
       --replace "['pandas/src/klib', 'pandas/src']" \
diff --git a/pkgs/development/python-modules/poppler-qt5/default.nix b/pkgs/development/python-modules/poppler-qt5/default.nix
index 94d86f7b713..4a9fdfa4262 100644
--- a/pkgs/development/python-modules/poppler-qt5/default.nix
+++ b/pkgs/development/python-modules/poppler-qt5/default.nix
@@ -4,7 +4,7 @@
 , isPy3k
 , fetchPypi
 , pythonPackages
-, sip_5
+, sip
 , qtbase
 , qmake
 , pyqt5
@@ -34,7 +34,7 @@ buildPythonPackage rec {
   ];
 
   buildInputs = [ qtbase.dev poppler pyqt-builder ];
-  nativeBuildInputs = [ pkg-config qmake sip_5 ];
+  nativeBuildInputs = [ pkg-config qmake sip ];
   propagatedBuildInputs = [ pyqt5.dev ];
 
   format = "pyproject";
@@ -46,7 +46,7 @@ buildPythonPackage rec {
 
     [tool.sip.bindings.Poppler-Qt5]
     include-dirs = ["${poppler.dev}/include/poppler"]
-    tags = ["${sip_5.platform_tag}"]
+    tags = ["${sip.platform_tag}"]
     EOF
   '';
 
diff --git a/pkgs/development/python-modules/prison/default.nix b/pkgs/development/python-modules/prison/default.nix
index 941da2bf9af..95a79ea1896 100644
--- a/pkgs/development/python-modules/prison/default.nix
+++ b/pkgs/development/python-modules/prison/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "prison";
-  version = "0.1.2";
+  version = "0.1.3";
 
   src = fetchFromGitHub {
     owner = "betodealmeida";
     repo = "python-rison";
     rev = version;
-    sha256 = "14vb468iznf9416z993bbqihywp9ibyslw5vp67wfr200zyxjwak";
+    sha256 = "sha256-qor40vUQeTdlO3vwug3GGNX5vkNaF0H7EWlRdsY4bvc=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/py-cpuinfo/default.nix b/pkgs/development/python-modules/py-cpuinfo/default.nix
index f9e276b3bb5..12b9668f1ed 100644
--- a/pkgs/development/python-modules/py-cpuinfo/default.nix
+++ b/pkgs/development/python-modules/py-cpuinfo/default.nix
@@ -1,7 +1,6 @@
 { lib
 , stdenv
 , fetchFromGitHub
-, fetchpatch
 , buildPythonPackage
 , pytestCheckHook
 , sysctl
@@ -9,28 +8,15 @@
 
 buildPythonPackage rec {
   pname = "py-cpuinfo";
-  version = "7.0.0";
+  version = "8.0.0";
 
   src = fetchFromGitHub {
      owner = "workhorsy";
      repo = pname;
      rev = "v${version}";
-     sha256 = "10qfaibyb2syiwiyv74l7d97vnmlk079qirgnw3ncklqjs0s3gbi";
+     sha256 = "sha256-Mgzj1HTasUNHeHMVwV6d+TeyVqnBNUwCJ1EC3kfovf8=";
   };
 
-  patches = [
-    # Make it detect Apple Silicon, remove after https://github.com/workhorsy/py-cpuinfo/pull/161 is merged.
-    (fetchpatch {
-      url = "https://github.com/workhorsy/py-cpuinfo/commit/54c32da6678f9d75ec5acf4534056cdc85c2a04d.patch";
-      sha256 = "sha256-3R46KrpACAQ1V0CQtz48V5mQXxvplUQrXnACtiE8WqY=";
-    })
-    # Continuation of the patch above
-    (fetchpatch {
-      url = "https://github.com/workhorsy/py-cpuinfo/commit/0d00f4b99750f292c85ff23e1039ea9489cb7ec8.patch";
-      sha256 = "sha256-mHoXoCAEG2v3xpQppRFWzSvhYCp5i9CZkbEgtiLVzMs=";
-    })
-  ];
-
   checkInputs = [
     pytestCheckHook
   ];
@@ -42,17 +28,19 @@ buildPythonPackage rec {
       --replace "_run_and_get_stdout(['sysctl'" "_run_and_get_stdout(['${sysctl}/bin/sysctl'"
   '';
 
-  meta = {
-    description = "Get CPU info with pure Python 2 & 3";
+  pythonImportsCheck = [ "cpuinfo" ];
+
+  meta = with lib; {
+    description = "Get CPU info with pure Python";
     longDescription = ''
       Py-cpuinfo gets CPU info with pure Python and should work without any
       extra programs or libraries, beyond what your OS provides. It does not
       require any compilation (C/C++, assembly, etc.) to use and works with
-      Python 2 and 3.
+      Python.
     '';
-    inherit (src.meta) homepage;
+    homepage = "https://github.com/workhorsy/py-cpuinfo";
     changelog = "https://github.com/workhorsy/py-cpuinfo/blob/v${version}/ChangeLog";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ costrouc ];
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
   };
 }
diff --git a/pkgs/development/python-modules/py-ubjson/default.nix b/pkgs/development/python-modules/py-ubjson/default.nix
new file mode 100644
index 00000000000..4efa2b8b6fd
--- /dev/null
+++ b/pkgs/development/python-modules/py-ubjson/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "py-ubjson";
+  version = "0.16.1";
+
+  src = fetchFromGitHub {
+    owner = "Iotic-Labs";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1frn97xfa88zrfmpnvdk1pc03yihlchhph99bhjayvzlfcrhm5v3";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "test/test.py" ];
+
+  pythonImportsCheck = [ "ubjson" ];
+
+  meta = with lib; {
+    description = "Universal Binary JSON draft-12 serializer for Python";
+    homepage = "https://github.com/Iotic-Labs/py-ubjson";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/py3exiv2/default.nix b/pkgs/development/python-modules/py3exiv2/default.nix
index 236a38c7e69..59d0cdb7299 100644
--- a/pkgs/development/python-modules/py3exiv2/default.nix
+++ b/pkgs/development/python-modules/py3exiv2/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
   buildInputs = [ exiv2 boost ];
 
   # work around python distutils compiling C++ with $CC (see issue #26709)
-  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
   meta = with lib; {
     homepage = "https://launchpad.net/py3exiv2";
diff --git a/pkgs/development/python-modules/pycurl/default.nix b/pkgs/development/python-modules/pycurl/default.nix
index fe62d1be1ea..e202d1928f2 100644
--- a/pkgs/development/python-modules/pycurl/default.nix
+++ b/pkgs/development/python-modules/pycurl/default.nix
@@ -1,11 +1,12 @@
-{ buildPythonPackage
+{ lib
+, buildPythonPackage
 , isPyPy
 , fetchPypi
 , pythonOlder
 , curl
 , openssl
 , bottle
-, pytest
+, pytestCheckHook
 , nose
 , flaky
 }:
@@ -20,6 +21,11 @@ buildPythonPackage rec {
     sha256 = "8301518689daefa53726b59ded6b48f33751c383cf987b0ccfbbc4ed40281325";
   };
 
+  preConfigure = ''
+    substituteInPlace setup.py --replace '--static-libs' '--libs'
+    export PYCURL_SSL_LIBRARY=openssl
+  '';
+
   buildInputs = [
     curl
     openssl.out
@@ -31,34 +37,48 @@ buildPythonPackage rec {
 
   checkInputs = [
     bottle
-    pytest
+    pytestCheckHook
     nose
     flaky
   ];
 
-  # skip impure or flakey tests
-  # See also:
-  #   * https://github.com/NixOS/nixpkgs/issues/77304
-  checkPhase = ''
-    HOME=$TMPDIR pytest tests -k "not test_ssl_in_static_libs \
-                     and not test_keyfunction \
-                     and not test_keyfunction_bogus_return \
-                     and not test_libcurl_ssl_gnutls \
-                     and not test_libcurl_ssl_nss \
-                     and not test_libcurl_ssl_openssl" \
-                 --ignore=tests/getinfo_test.py \
-                 --ignore=tests/memory_mgmt_test.py \
-                 --ignore=tests/multi_memory_mgmt_test.py \
-                 --ignore=tests/multi_timer_test.py
-  '';
+  pytestFlagsArray = [
+    # don't pick up the tests directory below examples/
+    "tests"
+  ];
 
-  preConfigure = ''
-    substituteInPlace setup.py --replace '--static-libs' '--libs'
-    export PYCURL_SSL_LIBRARY=openssl
+  preCheck = ''
+    export HOME=$TMPDIR
   '';
 
-  meta = {
+  disabledTests = [
+    # libcurl stopped passing the reason phrase from the HTTP status line
+    # https://github.com/pycurl/pycurl/issues/679
+    "test_failonerror"
+    "test_failonerror_status_line_invalid_utf8_python3"
+    # bottle>=0.12.17 escapes utf8 properly, so these test don't work anymore
+    # https://github.com/pycurl/pycurl/issues/669
+    "test_getinfo_content_type_invalid_utf8_python3"
+    "test_getinfo_cookie_invalid_utf8_python3"
+    "test_getinfo_raw_content_type_invalid_utf8"
+    "test_getinfo_raw_cookie_invalid_utf8"
+    # tests that require network access
+    "test_keyfunction"
+    "test_keyfunction_bogus_return"
+    # OSError: tests/fake-curl/libcurl/with_openssl.so: cannot open shared object file: No such file or directory
+    "test_libcurl_ssl_openssl"
+    # OSError: tests/fake-curl/libcurl/with_nss.so: cannot open shared object file: No such file or directory
+    "test_libcurl_ssl_nss"
+    # OSError: tests/fake-curl/libcurl/with_gnutls.so: cannot open shared object file: No such file or directory
+    "test_libcurl_ssl_gnutls"
+    # AssertionError: assert 'crypto' in ['curl']
+    "test_ssl_in_static_libs"
+  ];
+
+  meta = with lib; {
     homepage = "http://pycurl.sourceforge.net/";
     description = "Python wrapper for libcurl";
+    license = licenses.lgpl2Only;
+    maintainers = with maintainers; [];
   };
 }
diff --git a/pkgs/development/python-modules/pygatt/default.nix b/pkgs/development/python-modules/pygatt/default.nix
new file mode 100644
index 00000000000..9d596e17236
--- /dev/null
+++ b/pkgs/development/python-modules/pygatt/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, nose
+, pexpect
+, pyserial
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pygatt";
+  version = "4.0.5";
+  disabled = pythonOlder "3.5";
+
+  src = fetchFromGitHub {
+    owner = "peplin";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1zdfxidiw0l8n498sy0l33n90lz49n25x889cx6jamjr7frlcihd";
+  };
+
+  propagatedBuildInputs = [
+    pexpect
+    pyserial
+  ];
+
+  checkInputs = [
+    mock
+    nose
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    # Not support for Python < 3.4
+    substituteInPlace setup.py --replace "'enum-compat'" ""
+  '';
+
+  pythonImportsCheck = [ "pygatt" ];
+
+  meta = with lib; {
+    description = "Python wrapper the BGAPI for accessing Bluetooth LE Devices";
+    homepage = "https://github.com/peplin/pygatt";
+    license = with licenses; [ asl20 mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/pykdl/default.nix b/pkgs/development/python-modules/pykdl/default.nix
index 674a43f5f3e..9a0431b2b85 100644
--- a/pkgs/development/python-modules/pykdl/default.nix
+++ b/pkgs/development/python-modules/pykdl/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, toPythonModule, fetchpatch, cmake, orocos-kdl, python, sip }:
+{ lib, stdenv, toPythonModule, fetchpatch, cmake, orocos-kdl, python, sip_4 }:
 
 toPythonModule (stdenv.mkDerivation {
   pname = "pykdl";
@@ -18,7 +18,7 @@ toPythonModule (stdenv.mkDerivation {
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ orocos-kdl ];
-  propagatedBuildInputs = [ python sip ];
+  propagatedBuildInputs = [ python sip_4 ];
 
   meta = with lib; {
     description = "Kinematics and Dynamics Library (Python bindings)";
diff --git a/pkgs/development/python-modules/pynest2d/default.nix b/pkgs/development/python-modules/pynest2d/default.nix
index 7ca72293382..f3b5b9ba685 100644
--- a/pkgs/development/python-modules/pynest2d/default.nix
+++ b/pkgs/development/python-modules/pynest2d/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonPackage, fetchFromGitHub, python3, cmake
-, pythonOlder, libnest2d, sip, clipper }:
+, pythonOlder, libnest2d, sip_4, clipper }:
 
 buildPythonPackage rec {
   version = "4.8.0";
@@ -13,7 +13,7 @@ buildPythonPackage rec {
     sha256 = "18dn92vgr4gvf9scfh93yg9bwrhdjvq62di08rpi7pqjrrvq2nvp";
   };
 
-  propagatedBuildInputs = [ libnest2d sip clipper ];
+  propagatedBuildInputs = [ libnest2d sip_4 clipper ];
   nativeBuildInputs = [ cmake ];
 
   CLIPPER_PATH = "${clipper.out}";
diff --git a/pkgs/development/python-modules/pyqt-builder/default.nix b/pkgs/development/python-modules/pyqt-builder/default.nix
index d7f15d966b3..d371fd7bcee 100644
--- a/pkgs/development/python-modules/pyqt-builder/default.nix
+++ b/pkgs/development/python-modules/pyqt-builder/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonPackage, packaging, sip_5 }:
+{ lib, fetchPypi, buildPythonPackage, packaging, sip }:
 
 buildPythonPackage rec {
   pname = "pyqt-builder";
@@ -10,7 +10,7 @@ buildPythonPackage rec {
     sha256 = "0g51yak53zzjs4gpq65i01cmpz7w8cjny9wfyxlgr2vi0wag107v";
   };
 
-  propagatedBuildInputs = [ packaging sip_5 ];
+  propagatedBuildInputs = [ packaging sip ];
 
   pythonImportsCheck = [ "pyqtbuild" ];
 
diff --git a/pkgs/development/python-modules/pyqt/4.x.nix b/pkgs/development/python-modules/pyqt/4.x.nix
index 3427438b8a2..2652b5eb00b 100644
--- a/pkgs/development/python-modules/pyqt/4.x.nix
+++ b/pkgs/development/python-modules/pyqt/4.x.nix
@@ -1,13 +1,13 @@
-{ lib, stdenv, fetchurl, buildPythonPackage, python, dbus-python, sip, qt4, pkg-config, lndir, dbus, makeWrapper }:
+{ lib, stdenv, fetchurl, buildPythonPackage, python, dbus-python, sip_4, qt4, pkg-config, lndir, dbus, makeWrapper }:
 
 buildPythonPackage rec {
   pname = "PyQt-x11-gpl";
-  version = "4.12";
+  version = "4.12.3";
   format = "other";
 
   src = fetchurl {
     url = "mirror://sourceforge/pyqt/PyQt4_gpl_x11-${version}.tar.gz";
-    sha256 = "1nw8r88a5g2d550yvklawlvns8gd5slw53yy688kxnsa65aln79w";
+    sha256 = "0wnlasg62rm5d39nq1yw4namcx2ivxgzl93r5f2vb9s0yaz5l3x0";
   };
 
   postPatch = ''
@@ -45,7 +45,7 @@ buildPythonPackage rec {
   nativeBuildInputs = [ pkg-config lndir makeWrapper qt4 ];
   buildInputs = [ qt4 dbus ];
 
-  propagatedBuildInputs = [ sip ];
+  propagatedBuildInputs = [ sip_4 ];
 
   postInstall = ''
     for i in $out/bin/*; do
diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 6e4b4d37f28..2671b27a630 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -16,9 +16,9 @@ let
   inherit (pythonPackages) buildPythonPackage python isPy3k dbus-python enum34;
 
   sip = if isPy3k then
-    pythonPackages.sip_5
+    pythonPackages.sip
   else
-    (pythonPackages.sip.override { sip-module = "PyQt5.sip"; }).overridePythonAttrs(oldAttrs: {
+    (pythonPackages.sip_4.override { sip-module = "PyQt5.sip"; }).overridePythonAttrs(oldAttrs: {
       # If we install sip in another folder, then we need to create a __init__.py as well
       # if we want to be able to import it with Python 2.
       # Python 3 could rely on it being an implicit namespace package, however,
diff --git a/pkgs/development/python-modules/python-engineio/3.nix b/pkgs/development/python-modules/python-engineio/3.nix
index e4c71782f99..5deeec0bb57 100644
--- a/pkgs/development/python-modules/python-engineio/3.nix
+++ b/pkgs/development/python-modules/python-engineio/3.nix
@@ -13,6 +13,7 @@
 , websocket_client
 , websockets
 , pytestCheckHook
+, pythonAtLeast
 }:
 
 buildPythonPackage rec {
@@ -63,5 +64,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/miguelgrinberg/python-engineio/";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ graham33 ];
+    broken = stdenv.isDarwin && (pythonAtLeast "3.9");  # See https://github.com/miguelgrinberg/python-socketio/issues/567
   };
 }
diff --git a/pkgs/development/python-modules/qscintilla-qt5/default.nix b/pkgs/development/python-modules/qscintilla-qt5/default.nix
index dcbe213966f..05c12c1c62a 100644
--- a/pkgs/development/python-modules/qscintilla-qt5/default.nix
+++ b/pkgs/development/python-modules/qscintilla-qt5/default.nix
@@ -10,7 +10,7 @@ buildPythonPackage {
   src = qscintilla.src;
   format = "other";
 
-  nativeBuildInputs = [ sip qtbase ];
+  nativeBuildInputs = [ sip_4 qtbase ];
   buildInputs = [ qscintilla ];
   propagatedBuildInputs = [ pyqt5 ];
 
@@ -40,7 +40,7 @@ buildPythonPackage {
       --qsci-libdir=${qscintilla}/lib \
       --pyqt-sipdir=${pyqt5}/share/sip/PyQt5 \
       --qsci-sipdir=$out/share/sip/PyQt5 \
-      --sip-incdir=${sip}/include
+      --sip-incdir=${sip_4}/include
   '';
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/random2/default.nix b/pkgs/development/python-modules/random2/default.nix
index 6845a5707da..cb84d32ef41 100644
--- a/pkgs/development/python-modules/random2/default.nix
+++ b/pkgs/development/python-modules/random2/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , isPyPy
+, fetchpatch
 }:
 
 buildPythonPackage rec {
@@ -15,6 +16,14 @@ buildPythonPackage rec {
     sha256 = "34ad30aac341039872401595df9ab2c9dc36d0b7c077db1cea9ade430ed1c007";
   };
 
+  patches = [
+    # Patch test suite for python >= 3.9
+    (fetchpatch {
+      url = "https://github.com/strichter/random2/pull/3/commits/1bac6355d9c65de847cc445d782c466778b94fbd.patch";
+      sha256 = "064137pg1ilv3f9r10123lqbqz45070jca8pjjyp6gpfd0yk74pi";
+    })
+  ];
+
   meta = with lib; {
     homepage = "http://pypi.python.org/pypi/random2";
     description = "Python 3 compatible Python 2 `random` Module";
diff --git a/pkgs/development/python-modules/sip/4.x.nix b/pkgs/development/python-modules/sip/4.x.nix
new file mode 100644
index 00000000000..5334d119634
--- /dev/null
+++ b/pkgs/development/python-modules/sip/4.x.nix
@@ -0,0 +1,44 @@
+{ lib, fetchurl, buildPythonPackage, python, isPyPy, sip-module ? "sip" }:
+
+buildPythonPackage rec {
+  pname = sip-module;
+  version = "4.19.25";
+  format = "other";
+
+  disabled = isPyPy;
+
+  src = fetchurl {
+    url = "https://www.riverbankcomputing.com/static/Downloads/sip/${version}/sip-${version}.tar.gz";
+    sha256 = "04a23cgsnx150xq86w1z44b6vr2zyazysy9mqax0fy346zlr77dk";
+  };
+
+  configurePhase = ''
+    ${python.executable} ./configure.py \
+      --sip-module ${sip-module} \
+      -d $out/${python.sitePackages} \
+      -b $out/bin -e $out/include
+  '';
+
+  enableParallelBuilding = true;
+
+  installCheckPhase = let
+    modules = [
+      sip-module
+      "sipconfig"
+    ];
+    imports = lib.concatMapStrings (module: "import ${module};") modules;
+  in ''
+    echo "Checking whether modules can be imported..."
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH ${python.interpreter} -c "${imports}"
+  '';
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Creates C++ bindings for Python modules";
+    homepage    = "http://www.riverbankcomputing.co.uk/";
+    license     = licenses.gpl2Plus;
+    maintainers = with maintainers; [ lovek323 sander ];
+    platforms   = platforms.all;
+  };
+}
diff --git a/pkgs/development/python-modules/sip/5.x.nix b/pkgs/development/python-modules/sip/5.x.nix
deleted file mode 100644
index c15589b77bc..00000000000
--- a/pkgs/development/python-modules/sip/5.x.nix
+++ /dev/null
@@ -1,40 +0,0 @@
-{ lib, stdenv, fetchPypi, buildPythonPackage, packaging, toml }:
-
-buildPythonPackage rec {
-  pname = "sip";
-  version = "5.5.0";
-
-  src = fetchPypi {
-    pname = "sip";
-    inherit version;
-    sha256 = "1idaivamp1jvbbai9yzv471c62xbqxhaawccvskaizihkd0lq0jx";
-  };
-
-  propagatedBuildInputs = [ packaging toml ];
-
-  # There aren't tests
-  doCheck = false;
-
-  pythonImportsCheck = [ "sipbuild" ];
-
-  # FIXME: Why isn't this detected automatically?
-  # Needs to be specified in pyproject.toml, e.g.:
-  # [tool.sip.bindings.MODULE]
-  # tags = [PLATFORM_TAG]
-  platform_tag =
-    if stdenv.targetPlatform.isLinux then
-      "WS_X11"
-    else if stdenv.targetPlatform.isDarwin then
-      "WS_MACX"
-    else if stdenv.targetPlatform.isWindows then
-      "WS_WIN"
-    else
-      throw "unsupported platform";
-
-  meta = with lib; {
-    description = "Creates C++ bindings for Python modules";
-    homepage    = "http://www.riverbankcomputing.co.uk/";
-    license     = licenses.gpl3Only;
-    maintainers = with maintainers; [ eduardosm ];
-  };
-}
diff --git a/pkgs/development/python-modules/sip/default.nix b/pkgs/development/python-modules/sip/default.nix
index 0027c1c0ba5..c15589b77bc 100644
--- a/pkgs/development/python-modules/sip/default.nix
+++ b/pkgs/development/python-modules/sip/default.nix
@@ -1,44 +1,40 @@
-{ lib, fetchurl, buildPythonPackage, python, isPyPy, sip-module ? "sip" }:
+{ lib, stdenv, fetchPypi, buildPythonPackage, packaging, toml }:
 
 buildPythonPackage rec {
-  pname = sip-module;
-  version = "4.19.24";
-  format = "other";
+  pname = "sip";
+  version = "5.5.0";
 
-  disabled = isPyPy;
-
-  src = fetchurl {
-    url = "https://www.riverbankcomputing.com/static/Downloads/sip/${version}/sip-${version}.tar.gz";
-    sha256 = "1ra15vb5i9gkg2vdvh16cq9x2mmzw1yi3xphxs8q34q1pf83gkgd";
+  src = fetchPypi {
+    pname = "sip";
+    inherit version;
+    sha256 = "1idaivamp1jvbbai9yzv471c62xbqxhaawccvskaizihkd0lq0jx";
   };
 
-  configurePhase = ''
-    ${python.executable} ./configure.py \
-      --sip-module ${sip-module} \
-      -d $out/${python.sitePackages} \
-      -b $out/bin -e $out/include
-  '';
+  propagatedBuildInputs = [ packaging toml ];
 
-  enableParallelBuilding = true;
+  # There aren't tests
+  doCheck = false;
 
-  installCheckPhase = let
-    modules = [
-      sip-module
-      "sipconfig"
-    ];
-    imports = lib.concatMapStrings (module: "import ${module};") modules;
-  in ''
-    echo "Checking whether modules can be imported..."
-    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH ${python.interpreter} -c "${imports}"
-  '';
+  pythonImportsCheck = [ "sipbuild" ];
 
-  doCheck = true;
+  # FIXME: Why isn't this detected automatically?
+  # Needs to be specified in pyproject.toml, e.g.:
+  # [tool.sip.bindings.MODULE]
+  # tags = [PLATFORM_TAG]
+  platform_tag =
+    if stdenv.targetPlatform.isLinux then
+      "WS_X11"
+    else if stdenv.targetPlatform.isDarwin then
+      "WS_MACX"
+    else if stdenv.targetPlatform.isWindows then
+      "WS_WIN"
+    else
+      throw "unsupported platform";
 
   meta = with lib; {
     description = "Creates C++ bindings for Python modules";
     homepage    = "http://www.riverbankcomputing.co.uk/";
-    license     = licenses.gpl2Plus;
-    maintainers = with maintainers; [ lovek323 sander ];
-    platforms   = platforms.all;
+    license     = licenses.gpl3Only;
+    maintainers = with maintainers; [ eduardosm ];
   };
 }
diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index 1c5cc29f414..8d6567b3e91 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -1,24 +1,18 @@
 { lib
 , buildPythonPackage
-, fetchPypi
-, pytest
-, simplejson
-, mock
-, glibcLocales
-, html5lib
 , pythonOlder
-, enum34
-, python
+, fetchFromGitHub
+# propagatedBuildInputs
+, Babel
+, alabaster
 , docutils
+, imagesize
 , jinja2
+, packaging
 , pygments
-, alabaster
-, Babel
-, snowballstemmer
-, six
-, whoosh
-, imagesize
 , requests
+, setuptools
+, snowballstemmer
 , sphinxcontrib-applehelp
 , sphinxcontrib-devhelp
 , sphinxcontrib-htmlhelp
@@ -26,56 +20,70 @@
 , sphinxcontrib-qthelp
 , sphinxcontrib-serializinghtml
 , sphinxcontrib-websupport
-, typing ? null
-, setuptools
-, packaging
+# check phase
+, html5lib
+, imagemagick
+, pytestCheckHook
+, typed-ast
 }:
 
 buildPythonPackage rec {
   pname = "sphinx";
-  version = "3.3.1";
-  src = fetchPypi {
-    pname = "Sphinx";
-    inherit version;
-    sha256 = "1e8d592225447104d1172be415bc2972bd1357e3e12fdc76edf2261105db4300";
+  version = "3.5.4";
+  disabled = pythonOlder "3.5";
+
+  src = fetchFromGitHub {
+    owner = "sphinx-doc";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1xjii3dl01rq8x2bsxc6zywiy1s7arfgxrg5l8ml54w1748shadd";
   };
-  LC_ALL = "en_US.UTF-8";
 
-  checkInputs = [ pytest ];
-  buildInputs = [ simplejson mock glibcLocales html5lib ] ++ lib.optional (pythonOlder "3.4") enum34;
-  # Disable two tests that require network access.
-  checkPhase = ''
-    cd tests; ${python.interpreter} run.py --ignore py35 -k 'not test_defaults and not test_anchors_ignored'
-  '';
   propagatedBuildInputs = [
+    Babel
+    alabaster
     docutils
+    imagesize
     jinja2
-    pygments
-    alabaster
-    Babel
     packaging
+    pygments
+    requests
     setuptools
     snowballstemmer
-    six
-    whoosh
-    imagesize
-    requests
     sphinxcontrib-applehelp
     sphinxcontrib-devhelp
     sphinxcontrib-htmlhelp
     sphinxcontrib-jsmath
     sphinxcontrib-qthelp
     sphinxcontrib-serializinghtml
+    # extra[docs]
     sphinxcontrib-websupport
-  ] ++ lib.optional (pythonOlder "3.5") typing;
+  ];
+
+  checkInputs = [
+    imagemagick
+    html5lib
+    pytestCheckHook
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    typed-ast
+  ];
 
-  # Lots of tests. Needs network as well at some point.
-  doCheck = false;
+  disabledTests = [
+    # requires network access
+    "test_anchors_ignored"
+    "test_defaults"
+    "test_defaults_json"
+    "test_latex_images"
+  ];
 
-  meta = {
-    description = "A tool that makes it easy to create intelligent and beautiful documentation for Python projects";
-    homepage = "http://sphinx.pocoo.org/";
-    license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [ nand0p ];
+  meta = with lib; {
+    description = "Python documentation generator";
+    longDescription = ''
+      A tool that makes it easy to create intelligent and beautiful
+      documentation for Python projects
+    '';
+    homepage = "https://www.sphinx-doc.org";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ nand0p ];
   };
 }
diff --git a/pkgs/development/python-modules/timeago/default.nix b/pkgs/development/python-modules/timeago/default.nix
new file mode 100644
index 00000000000..0c2a688f674
--- /dev/null
+++ b/pkgs/development/python-modules/timeago/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "timeago";
+  version = "1.0.15";
+
+  src = fetchFromGitHub {
+    owner = "hustcc";
+    repo = pname;
+    rev = version;
+    sha256 = "03vm7c02l4g2d1x33w382i1psk8i3an7xchk69yinha33fjj1cag";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "test/testcase.py" ];
+
+  pythonImportsCheck = [ "timeago" ];
+
+  meta = with lib; {
+    description = "Python module to format past datetime output";
+    homepage = "https://github.com/hustcc/timeago";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/txaio/default.nix b/pkgs/development/python-modules/txaio/default.nix
index c2f2c9451bd..fa219a94513 100644
--- a/pkgs/development/python-modules/txaio/default.nix
+++ b/pkgs/development/python-modules/txaio/default.nix
@@ -1,30 +1,55 @@
-{ lib, buildPythonPackage, fetchPypi, pytest, mock, six, twisted, isPy37, isPy27 }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, mock
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+, six
+, twisted
+, zope_interface
+}:
 
 buildPythonPackage rec {
   pname = "txaio";
   version = "21.2.1";
-  disabled = isPy27;
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7d6f89745680233f1c4db9ddb748df5e88d2a7a37962be174c0fd04c8dba1dc8";
+    sha256 = "sha256-fW+JdFaAIz8cTbndt0jfXojSp6N5Yr4XTA/QTI26Hcg=";
   };
 
-  checkInputs = [ pytest mock ];
+  propagatedBuildInputs = [
+    six
+    twisted
+    zope_interface
+  ];
 
-  propagatedBuildInputs = [ six twisted ];
+  checkInputs = [
+    mock
+    pytest-asyncio
+    pytestCheckHook
+  ];
 
-  checkPhase = ''
-    py.test -k "not test_sdist"
-  '';
+  disabledTests = [
+    # No real value
+    "test_sdist"
+    # Some tests seems out-dated and require additional data
+    "test_as_future"
+    "test_errback"
+    "test_create_future"
+    "test_callback"
+    "test_immediate_result"
+    "test_cancel"
+  ];
 
-  # Needs some fixing
-  doCheck = false;
+  pythonImportsCheck = [ "txaio" ];
 
   meta = with lib; {
-    description = "Utilities to support code that runs unmodified on Twisted and asyncio.";
-    homepage    = "https://github.com/crossbario/txaio";
-    license     = licenses.mit;
+    description = "Utilities to support code that runs unmodified on Twisted and asyncio";
+    homepage = "https://github.com/crossbario/txaio";
+    license = licenses.mit;
     maintainers = with maintainers; [ nand0p ];
   };
 }