git-machete: remove postCheck and references to pytest

pkgs/applications/version-management/git-and-tools/git-machete/default.nix

@@ -3,7 +3,6 @@
 , fetchFromGitHub
 , installShellFiles
 , git
-, pytest
 , nix-update-script
 , testVersion
 , git-machete
@@ -22,29 +21,7 @@ buildPythonApplication rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  checkInputs = [ git pytest ];
-
-  ### Maybe not needed at all? since `python setup.py test` is executed anyway?
-  /*
-  Executing setuptoolsCheckPhase
-  running test
-  WARNING: Testing via this command is deprecated and will be removed in a future version. Users looking for a generic test entry point independent of test runner are encouraged to use tox.
-  running egg_info
-  writing git_machete.egg-info/PKG-INFO
-  writing dependency_links to git_machete.egg-info/dependency_links.txt
-  writing top-level names to git_machete.egg-info/top_level.txt
-  reading manifest file 'git_machete.egg-info/SOURCES.txt'
-  reading manifest template 'MANIFEST.in'
-  adding license file 'LICENSE'
-  writing manifest file 'git_machete.egg-info/SOURCES.txt'
-  running build_ext
-  test_add (git_machete.tests.functional.test_machete.MacheteTester)
-  Verify behaviour of a 'git machete add' command. ... ok
-  ....
-  */
-  postCheck = ''
-    pytest
-  '';
+  checkInputs = [ git ];
 
   postInstall = ''
     installShellCompletion --bash --name git-machete completion/git-machete.completion.bash