pyditz: use python3Packages

pkgs/applications/misc/pyditz/cerberus.nix

···
-{ lib, buildPythonPackage, fetchPypi, pytest-runner, pytest }:
-
-buildPythonPackage rec {
-  pname = "Cerberus";
-  version = "1.1";
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "1pxzr8sfm2hc5s96m9k044i44nwkva70n0ypr6a35v73zn891cx5";
-  };
-
-  nativeCheckInputs = [ pytest-runner pytest ];
-
-  meta = with lib; {
-    homepage = "http://python-cerberus.org/";
-    description = "Lightweight, extensible schema and data validation tool for Python dictionaries";
-    license = licenses.mit;
-  };
-}

pkgs/applications/misc/pyditz/default.nix

···
 
 with pythonPackages;
 
-let
-  cerberus_1_1 = callPackage ./cerberus.nix { };
-in buildPythonApplication rec {
+buildPythonApplication rec {
   pname = "pyditz";
   version = "0.11";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "da0365ae9064e30c4a27526fb0d7a802fda5c8651cda6990d17be7ede89a2551";
+    hash = "sha256-2gNlrpBk4wxKJ1JvsNeoAv2lyGUc2mmQ0Xvn7eiaJVE=";
   };
   nativeBuildInputs = [ setuptools-scm ];
-  propagatedBuildInputs = [ pyyaml six jinja2 cerberus_1_1 ];
+  propagatedBuildInputs = [ pyyaml six jinja2 cerberus ];
 
   nativeCheckInputs = [ unittestCheckHook ];
 
   meta = with lib; {
-    homepage = "https://pythonhosted.org/pyditz/";
+    homepage = "https://pypi.org/project/pyditz/";
     description = "Drop-in replacement for the Ditz distributed issue tracker";
     maintainers = [ maintainers.ilikeavocadoes ];
     license = licenses.lgpl2;

pkgs/top-level/all-packages.nix

···
   teapot = callPackage ../applications/office/teapot { };
 
   pyditz = callPackage ../applications/misc/pyditz {
-    pythonPackages = python27Packages;
+    pythonPackages = python3Packages;
   };
 
   py-spy = darwin.apple_sdk_11_0.callPackage ../development/tools/py-spy { };