anchor.diff:      "missing_interpreter"
       "cache"
       "internet"
  +    "run"
       "runpip"
       "upgrade"
       "suffix"
       "legacy_venv"
  +    "determination"
     ];
   
     meta = with lib; {
  
positive.code:     owner = "pipxproject";
      repo = pname;
      rev = version;
      sha256 = "1yffswayjfkmq86ygisja0mkg55pqj9pdml5nc0z05222sfnvn1a";
    };
  
    propagatedBuildInputs = [ userpath argcomplete packaging ];
  
    checkInputs = [ pytestCheckHook ];
  
  
negative.code:   '';
  
    # disable tests, which require internet connection
    pytestFlagsArray = [ "--ignore=tests/test_install_all_packages.py" ];
    disabledTests = [
      "install"
      "inject"
  