anchor.diff:  
   buildPythonPackage rec {
     pname = "zigpy-zigate";
  -  version = "0.9.0";
  +  version = "0.9.1";
     format = "setuptools";
   
     disabled = pythonOlder "3.8";
  
positive.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , mock
  , pyserial
  , pyserial-asyncio
  
negative.code:   src = fetchFromGitHub {
      owner = "zigpy";
      repo = "zigpy-zigate";
      rev = "refs/tags/${version}";
      hash = "sha256-H1R+wNUo/J5ATINHrkC4mJ8KKnBxVZUvF6X7y54aiVQ=";
    };
  
    propagatedBuildInputs = [
      gpiozero
      pyserial
      pyserial-asyncio
      pyusb
  