def import_params_from_json(model_directory: str=None, json_filename: str=None) -> dict:
i must modify it:
def import_params_from_json(model_directory, json_filename):
how can i define the function like the: def import_params_from_json(model_directory: str=None, json_filename: str=None) -> dict:
def import_params_from_json(model_directory: str=None, json_filename: str=None) -> dict: i must modify it: def import_params_from_json(model_directory, json_filename): how can i define the function like the: def import_params_from_json(model_directory: str=None, json_filename: str=None) -> dict: