anchor.diff:  , aioredis
   , async_generator
   , buildPythonPackage
  -, fetchPypi
  +, fetchFromGitHub
  +, fetchpatch
   , hypothesis
   , lupa
   , pytest-asyncio
  
positive.code:   version = "1.7.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.5";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-yb0S5DAzbL0+GJ+uDpHrmZl7k+dtv91u1n+jUtxoTHE=";
    };
  
    propagatedBuildInputs = [
  
negative.code:     pytestCheckHook
    ];
  
    patches = [
      # Support for redis >= 4.1.0, https://github.com/jamesls/fakeredis/pull/324
      (fetchpatch {
        name = "support-redis-4.1.0.patch";
        url = "https://github.com/jamesls/fakeredis/commit/8ef8dc6dacc9baf571d66a25ffbf0fadd7c70f78.patch";
        sha256 = "sha256-4DrF/5WEWQWlJZtAi4qobMDyRAAcO/weHIaK9waN00k=";
      })
    ];
  
    disabledTestPaths = [
      # AttributeError: 'AsyncGenerator' object has no attribute XXXX
      "test/test_aioredis2.py"
  