import json def deserialize(cassette_string): return json.loads(cassette_string) def serialize(cassette_dict): error_message = ( "Does this HTTP interaction contain binary data? " "If so, use a different serializer (like the yaml serializer) " "for this request?" ) try: return json.dumps(cassette_dict, indent=4) + "\n" except TypeError: raise TypeError(error_message) from None