anchor.diff:  , fetchFromGitHub
   , Babel
   , gruut-ipa
  +, dateparser
   , jsonlines
   , num2words
   , python-crfsuite
   , dataclasses
   , python
  +, networkx
  +, glibcLocales
  +, pytestCheckHook
   }:
   
   let
  
positive.code: in
  buildPythonPackage rec {
    pname = "gruut";
    version = "1.2.3";
    format = "setuptools";
  
    src = fetchFromGitHub {
      owner = "rhasspy";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-qY4xsoVk1hyY9dYmVXaqDRjcShUQmp8VZOzAQNiC6EM=";
    };
  
    postPatch = ''
      substituteInPlace requirements.txt \
        --replace "Babel~=2.8.0" "Babel"
    '';
  
    propagatedBuildInputs = [
  
negative.code:     "cs"
      "de"
      "es"
      "en"
      "fr"
      "it"
      "nl"
  