anchor.diff:    checkInputs = [ pytest pathpy nbconvert ];
     propagatedBuildInputs = [ setuptools_scm ];
   
  -  meta = with stdenv.lib; {
  -    description = ''
  -      Zimmermann's Extensible Tools for Unified Project setups
  -    '';
  -    homepage = https://github.com/zimmermanncode/zetup;
  +  meta = with lib; {
  +    description = "Zimmermann's Extensible Tools for Unified Project setups";
  +    homepage = "https://github.com/zimmermanncode/zetup";
       license = licenses.gpl3Plus;
       platforms = platforms.unix;
     };
  
positive.code:     sha256 = "b8a9bdcfa4b705d72b55b218658bc9403c157db7b57a14158253c98d03ab713d";
    };
  
    # Python 3.7 compatibility
    # See https://github.com/zimmermanncode/zetup/pull/1
    postPatch = ''
      substituteInPlace zetup/zetup_config.py \
        --replace "'3.6']" "'3.6', '3.7']"
    '';
  
    checkPhase = ''
  
negative.code: { lib, buildPythonPackage, fetchPypi
  , setuptools_scm, pathpy, nbconvert
  , pytest }:
  
  