diff --git a/pkgs/development/python-modules/testresources/default.nix b/pkgs/development/python-modules/testresources/default.nix
index 7d4710c74388..cb8d8458141c 100644
--- a/pkgs/development/python-modules/testresources/default.nix
+++ b/pkgs/development/python-modules/testresources/default.nix
@@ -1,42 +1,50 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
   setuptools,
   pbr,
   fixtures,
   testtools,
-  unittestCheckHook,
+  pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "testresources";
-  version = "2.0.1";
+  version = "2.0.2";
   pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "ee9d1982154a1e212d4e4bac6b610800bfb558e4fb853572a827bc14a96e4417";
+  src = fetchFromGitHub {
+    owner = "testing-cabal";
+    repo = "testresources";
+    tag = version;
+    hash = "sha256-cdZObOgBOUxYg4IGUUMb6arlpb6NTU7w+EW700LKH4Y=";
   };
 
-  postPatch = ''
-    substituteInPlace testresources/tests/test_resourced_test_case.py \
-      --replace "failIf" "assertFalse"
-  '';
+  build-system = [
+    setuptools
+    pbr
+  ];
 
-  nativeBuildInputs = [ setuptools ];
-
-  propagatedBuildInputs = [ pbr ];
+  dependencies = [
+    pbr
+  ];
 
   nativeCheckInputs = [
     fixtures
     testtools
-    unittestCheckHook
+    pytestCheckHook
   ];
 
-  meta = with lib; {
+  env.PBR_VERSION = version;
+
+  meta = {
     description = "Pyunit extension for managing expensive test resources";
     homepage = "https://launchpad.net/testresources";
-    license = licenses.bsd2;
+    license = with lib.licenses; [
+      asl20 # or
+      bsd3
+    ];
+    maintainers = with lib.maintainers; [ nickcao ];
   };
 }