anchor.diff:      rm -v testing/test_channel.py
       rm -v testing/test_xspec.py
       rm -v testing/test_gateway.py
  +    ${lib.optionalString isPyPy "rm -v testing/test_multi.py"}
     '';
   
     checkPhase = ''
  
positive.code:     sha256 = "a7a84d5fa07a089186a329528f127c9d73b9de57f1a1131b82bb5320ee651f6a";
    };
  
    checkInputs = [ pytest_3  ];
    nativeBuildInputs = [ setuptools_scm ];
    propagatedBuildInputs = [ apipkg ];
  
  
negative.code: { stdenv
  , lib
  , buildPythonPackage
  , isPyPy
  , fetchPypi
  , pytest_3
  , setuptools_scm
  