anchor.diff:  { lib
  +, stdenv
   , buildPythonPackage
   , fetchFromGitHub
   , humanfriendly
  
positive.code:     sha256 = "0rnmxwrim4razlv4vi3krxk5lc5ksck6h5374j8avqwplika7q2x";
    };
  
    checkPhase = ''
      PATH=$PATH:$out/bin pytest . -k "not test_plain_text_output_format \
                                       and not test_auto_install"
    '';
    checkInputs = [ pytest mock util-linux ];
  
    propagatedBuildInputs = [ humanfriendly verboselogs capturer ];
  
    meta = with lib; {
      description = "Colored stream handler for Python's logging module";
  
negative.code: , pytest
  , mock
  , util-linux
  , isPy38
  }:
  
  buildPythonPackage rec {
  