python: pycollada: 0.5 -> 0.6

pkgs/development/python-modules/pycollada/default.nix

···
 
 buildPythonPackage rec {
   pname = "pycollada";
-  version = "0.5";
-  name = "${pname}-${version}";
+  version = "0.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1g96maw2c25l4i3ks51784h33zf7s18vrn6iyz4ca34iy4sl7yq9";
+    sha256 = "fcd6f38fd981e350f9ec754d9671834017accd600e967d6d299a6cfdae5ba4f4";
   };
 
-  buildInputs = [ numpy ] ++ (if isPy3k then [dateutil] else [dateutil_1_5]);
+  propagatedBuildInputs = [ numpy dateutil ];
 
   # Some tests fail because they refer to test data files that don't exist
   # (upstream packaging issue)