anchor.diff:    ] ++ lib.optionals stdenv.isDarwin [
       # https://github.com/sanic-org/sanic/issues/2298
       "test_no_exceptions_when_cancel_pending_request"
  +  ] ++ lib.optionals (stdenv.hostPlatform.system == "aarch64-linux") [
  +    # These appear to be very sensitive to output of commands
  +    # Output is different on aarch64
  +    "test_server_run"
  +    "test_host_port"
  +    "test_num_workers"
  +    "test_access_logs"
  +    "test_version"
  +    # Failing for a different reason than Darwin
  +    "test_no_exceptions_when_cancel_pending_request"
     ];
   
     # avoid usage of nixpkgs-review in darwin since tests will compete usage
  
positive.code:   inherit doCheck;
  
    preCheck = ''
      # Some tests depends on executables on PATH
      PATH="$out/bin:${gunicorn}/bin:$PATH"
    '';
  
    disabledTests = [
  
negative.code: , buildPythonPackage
  , doCheck ? true
  , fetchFromGitHub
  , gunicorn
  , httptools
  , multidict
  