anchor.diff:      pytest-asyncio
     ];
   
  -  # tests only distributed via git repository, not pypi
  -  doCheck = false;
  +  checkInputs = [
  +    aiohttp
  +    pytestCheckHook
  +    pytest-asyncio
  +  ];
  +
  +  # Disable tests which requires network access
  +  disabledTests = [
  +    "test_foo"
  +    "test_passthrough"
  +  ];
  +
  +  pythonImportsCheck = [ "aresponses" ];
   
     meta = with lib; {
       description = "Asyncio testing server";
       homepage = "https://github.com/circleup/aresponses";
       license = licenses.mit;
  -    maintainers = [ maintainers.makefu ];
  +    maintainers = with maintainers; [ makefu ];
     };
   }
  
positive.code: 
    disabled = !isPy3k;
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "1jn7x7ldqsz5cd190jqjil0kqyimd1d0yxfzzp41ky0p72lvd68a";
    };
  
    propagatedBuildInputs = [
  
negative.code: { lib
  , aiohttp
  , buildPythonPackage
  , fetchFromGitHub
  , isPy3k
  , pytest
  , pytest-asyncio
  , pytestCheckHook
  }:
  
  buildPythonPackage rec {
  