anchor.diff:  , fetchFromGitHub
   , flake8
   , flask-sockets
  -, isPy3k
  +, moto
  +, pythonOlder
   , psutil
   , pytest-asyncio
   , pytestCheckHook
  
positive.code:     databases
      flake8
      flask-sockets
      psutil
      pytest-asyncio
      pytestCheckHook
  
negative.code: 
  buildPythonPackage rec {
    pname = "slack-sdk";
    version = "3.9.0";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "slackapi";
      repo = "python-slack-sdk";
      rev = "v${version}";
      sha256 = "sha256-9iV/l2eX4WB8PkTz+bMJIshdD/Q3K0ig8hIK9R8S/oM=";
    };
  
    propagatedBuildInputs = [
  