python39Packages.inform: remove pytest-runner, use pytestCheckHook phase

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

@@ -2,8 +2,6 @@
 , arrow
 , six
 , hypothesis
-, pytest
-, pytest-runner
 , pytestCheckHook
 }:
 
@@ -18,13 +16,18 @@ buildPythonPackage rec {
     sha256 = "114cyff00j9r7qm2ld4w1a4kklr5gx570vk67p56gpr2553dkmly";
   };
 
-  nativeBuildInputs = [ pytest-runner ];
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pytest-runner>=2.0" ""
+  '';
+
   propagatedBuildInputs = [ arrow six ];
 
-  checkInputs = [ pytest hypothesis ];
-  checkPhase = ''
+  checkInputs = [ pytestCheckHook hypothesis ];
+  preCheck = ''
     patchShebangs test.doctests.py test.inform.py
-    ./test.doctests.py && ./test.inform.py && pytest
+    ./test.doctests.py
+    ./test.inform.py
   '';
 
   meta = with lib; {