anchor.diff:    };
   
     buildInputs = [ glibcLocales ];
  -  checkInputs = [ nose pyftpdlib mock psutil ];
  +  checkInputs = [ nose pyftpdlib mock psutil pytest ];
     propagatedBuildInputs = [ six appdirs pytz ]
       ++ lib.optionals (!isPy3k) [ backports_os ]
       ++ lib.optionals (!pythonAtLeast "3.6") [ typing ]
  
positive.code: , mock
  , pythonAtLeast
  , isPy3k
  }:
  
  buildPythonPackage rec {
  
negative.code:   LC_ALL="en_US.utf-8";
  
    checkPhase = ''
      HOME=$(mktemp -d) pytest -k 'not user_data_repr' --ignore=tests/test_opener.py
    '';
  
    meta = with lib; {
  