anchor.diff:    ++ lib.optional withPyflakes pyflakes
     ++ lib.optional withPylint pylint
     ++ lib.optional withRope rope
  -  ++ lib.optional withYapf yapf;
  +  ++ lib.optionals withYapf [ whatthepatch yapf ];
   
     checkInputs = [
       flaky
  
positive.code:   };
  
    postPatch = ''
      substituteInPlace setup.cfg \
        --replace "--cov-report html --cov-report term --junitxml=pytest.xml" "" \
        --replace "--cov pylsp --cov test" "" \
        --replace "mccabe>=0.6.0,<0.7.0" "mccabe"
  
negative.code: , setuptools-scm
  , stdenv
  , ujson
  , whatthepatch
  , yapf
  , withAutopep8 ? true
  , withFlake8 ? true
  