anchor.diff:  { lib
   , buildPythonPackage
  -, fetchPypi
  +, fetchFromGitHub
   , setuptools
   , pytz
   , tzlocal
  
positive.code:     freezegun
      mock
      nose
    ];
  
    doCheck = true;
    pythonImportsCheck = [ "clickhouse_driver" ];
  
    meta = with lib; {
  
negative.code: , freezegun
  , mock
  , nose
  , pytestCheckHook
  , pytest-xdist
  }:
  
  buildPythonPackage rec {
    pname = "clickhouse-driver";
    version = "0.2.0";
  
    # pypi source doesn't contain tests
    src = fetchFromGitHub {
      owner = "mymarilyn";
      repo = "clickhouse-driver";
      rev = "96b7ba448c63ca2670cc9aa70d4a0e08826fb650";
      sha256 = "sha256-HFKUxJOlBCVlu7Ia8heGpwX6+HdKuwSy92s3v+GKGwE=";
    };
  
    propagatedBuildInputs = [
  