zpl*: Fix the attribute name of the license

This was simply a typo since the license was added in 2013.

1 files changed, 1 insertions, 1 deletions

diff --git a/pkgs/development/python-modules/zc_lockfile/default.nix b/pkgs/development/python-modules/zc_lockfile/default.nix
index 8a438fadcd7..4ffd0e94c61 100644
--- a/pkgs/development/python-modules/zc_lockfile/default.nix
+++ b/pkgs/development/python-modules/zc_lockfile/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   meta = with stdenv.lib; {
     description = "Inter-process locks";
     homepage =  http://www.python.org/pypi/zc.lockfile;
-    license = licenses.zpt20;
+    license = licenses.zpl20;
     maintainers = with maintainers; [ goibhniu ];
   };
 }