anchor.diff:    checkInputs = [
       flaky
       hypothesis
  +    flaky
       pytestCheckHook
     ];
   
  
positive.code: 
  buildPythonPackage rec {
    pname = "pytest-asyncio";
    version = "0.17.2";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "pytest-dev";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-4wDXvO6pDK0dQLnyfJTTa+GXf9Qtsi6ywYDUIdhkgGo=";
    };
  
    SETUPTOOLS_SCM_PRETEND_VERSION = version;
  
negative.code:   ];
  
    meta = with lib; {
      description = "Library for testing asyncio code with pytest";
      homepage = "https://github.com/pytest-dev/pytest-asyncio";
      license = licenses.asl20;
      maintainers = with maintainers; [ dotlambda ];
    };
  }
  