anchor.diff:      "requests_toolbelt"
     ];
   
  -  meta = {
  +  meta = with lib; {
       description = "Toolbelt of useful classes and functions to be used with requests";
       homepage = "http://toolbelt.rtfd.org";
  -    license = lib.licenses.asl20;
  -    maintainers = with lib.maintainers; [ matthiasbeyer ];
  +    license = licenses.asl20;
  +    maintainers = with maintainers; [ matthiasbeyer ];
     };
   }
  
positive.code:     pytestCheckHook
    ];
  
    disabledTests = [
      "test_no_content_length_header"
      "test_read_file"
      "test_reads_file_from_url_wrapper"
  
negative.code: { lib
  , betamax
  , buildPythonPackage
  , fetchpatch
  , fetchPypi
  , mock
  , pyopenssl
  