anchor.diff:  , pytestCheckHook
   , pythonOlder
   , setuptools-scm
  +, bashInteractive
   }:
   
   buildPythonPackage rec {
  
positive.code:   ];
  
    checkInputs = [
      pytest-timeout
      pytestCheckHook
    ];
  
negative.code:     substituteInPlace setup.cfg \
        --replace " --cov=shtab --cov-report=term-missing --cov-report=xml" ""
    '';
  
    pythonImportsCheck = [
      "shtab"
  