anchor.diff:    # pythonImportsCheck = [ "eventlet" ];
   
     meta = with lib; {
  -    homepage = "https://pypi.python.org/pypi/eventlet/";
  +    homepage = "https://github.com/eventlet/eventlet/";
       description = "A concurrent networking library for Python";
       maintainers = with maintainers; [ SuperSandro2000 ];
       license = licenses.mit;
  
positive.code: { lib
  , buildPythonPackage
  , fetchPypi
  , pythonOlder
  , dnspython
  , enum34
  , greenlet
  , monotonic
  , six
  
negative.code:     sha256 = "2f0bb8ed0dc0ab21d683975d5d8ab3c054d588ce61def9faf7a465ee363e839b";
    };
  
    propagatedBuildInputs = [ dnspython greenlet pyopenssl six ]
      ++ lib.optional (pythonOlder "3.5") monotonic;
  
    checkInputs = [ nose ];
  
    doCheck = !stdenv.isDarwin;
  
    preCheck = ''
      echo "nameserver 127.0.0.1" > resolv.conf
  