anchor.diff:      owner = "bachya";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-uqvM5F0rpw+xeCXYl4lGMt3r0ugPsUmSvujmTJ9HABk=";
  +    sha256 = "1v8xr69y9cajyrdfz8wdksz1hclh5cvgxppf9lpygwfj4q70wh88";
     };
   
     nativeBuildInputs = [
  
positive.code:     pytestCheckHook
    ];
  
    postPatch = ''
      # https://github.com/bachya/aioambient/pull/84
      substituteInPlace pyproject.toml \
        --replace 'websockets = "^8.1"' 'websockets = ">=8.1,<10.0"'
    '';
  
    # Ignore the examples directory as the files are prefixed with test_
    disabledTestPaths = [ "examples/" ];
  
  
negative.code: 
  buildPythonPackage rec {
    pname = "aioambient";
    version = "1.2.5";
    format = "pyproject";
    disabled = pythonOlder "3.6";
  
  