def add_param_group(self, param_group: dict) -> None:
    raise ValueError(f'{self.__class__.__name__} does not support calling add_param_group after creation. Please provide all parameter groups at init')
def add_param_group(self, param_group: dict) -> None:
    raise ValueError(f'{self.__class__.__name__} does not support calling add_param_group after creation. Please provide all parameter groups at init')