anchor.diff:  
   buildPythonPackage rec {
     pname = "py-canary";
  -  version = "0.5.2";
  -  format = "setuptools";
  +  version = "0.5.3";
  +  format = "pyproject";
   
     disabled = pythonOlder "3.6";
   
  
positive.code:     "canary"
    ];
  
    meta = with lib; {
      description = "Python package for Canary Security Camera";
      homepage = "https://github.com/snjoetw/py-canary";
  
negative.code:     owner = "snjoetw";
      repo = pname;
      rev = "refs/tags/${version}";
      hash = "sha256-873XAf0jOX5pjrNRELEcTWCauk80FUYxTu7G7jc3MHE=";
    };
  
    propagatedBuildInputs = [
  