src/transformers/deepspeed.py/HfDeepSpeedConfig/get_value
class HfDeepSpeedConfig:    def get_value(self, ds_key_long, default=None):
        """
        Returns the set value or ``default`` if no value is set
        """
        config, ds_key = self.find_config_node(ds_key_long)
        if config is None:
            return default
        return config.get(ds_key, default)