1 files changed, 7 insertions, 6 deletions
diff --git a/pkgs/development/tools/pydb/default.nix b/pkgs/development/tools/pydb/default.nix
index 67e7a879d88..5380bb68608 100644
--- a/pkgs/development/tools/pydb/default.nix
+++ b/pkgs/development/tools/pydb/default.nix
@@ -1,10 +1,11 @@
-{ stdenv, fetchurl, python2, emacs }:
+{ lib, stdenv, fetchurl, python2, emacs }:
 
-stdenv.mkDerivation {
-  name = "pydb-1.26";
+stdenv.mkDerivation rec {
+  pname = "pydb";
+  version = "1.26";
 
   src = fetchurl {
-    url =  "mirror://sourceforge/sourceforge/bashdb/pydb-1.26.tar.bz2";
+    url =  "mirror://sourceforge/sourceforge/bashdb/${pname}-${version}.tar.bz2";
     sha256 = "1wlkz1hd5d4gkzhkjkzcm650c1lchj28hj36jx96mklglm41h4q1";
   };
 
@@ -18,7 +19,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Python debugger with GDB-like commands and Emacs bindings";
     homepage = "http://bashdb.sourceforge.net/pydb/";
-    license = stdenv.lib.licenses.gpl3;
-    platforms = stdenv.lib.platforms.all;
+    license = lib.licenses.gpl3;
+    platforms = lib.platforms.all;
   };
 }