src/transformers/deepspeed.py/HfDeepSpeedConfig/is_false
class HfDeepSpeedConfig:    def is_false(self, ds_key_long):
        """
        Returns :obj:`True`/:obj:`False` only if the value is set, always :obj:`False` otherwise. So use this method to
        ask the very specific question of whether the value is set to :obj:`False` (and it's not set to :obj:`True` or
        isn't set).
        """
        value = self.get_value(ds_key_long)
        return False if value is None else not bool(value)