anchor.diff:      tabview
     ];
   
  -  checkInputs = [ unittestCheckHook ];
  +  checkInputs = [ pytestCheckHook ];
   
     pythonImportsCheck = [
       "clevercsv"
  
positive.code: , regex
  , tabview
  , python
  , unittestCheckHook
  }:
  
  buildPythonPackage rec {
    pname = "clevercsv";
    version = "0.7.1";
    format = "setuptools";
  
    src = fetchFromGitHub {
      owner = "alan-turing-institute";
      repo = "CleverCSV";
      rev = "v${version}";
      sha256 = "sha256-ynS3G2ZcEqVlC2d6n5ZQ1Em5lh/dWESj9jEO8C4WzZQ=";
    };
  
    propagatedBuildInputs = [
  
negative.code:   '';
  
    # their ci only runs unit tests, there are also integration and fuzzing tests
    pytestFlagsArray = [
      "./tests/test_unit"
    ];
  
    disabledTestPaths = [
      # ModuleNotFoundError: No module named 'wilderness'
      "tests/test_unit/test_console.py"
    ];
  
    meta = with lib; {
      description = "CleverCSV is a Python package for handling messy CSV files";
  