src/transformers/models/rembert/modeling_tf_rembert.py/TFRemBertMainLayer/_prune_heads
class TFRemBertMainLayer:    def _prune_heads(self, heads_to_prune):
        """
        Prunes heads of the model. heads_to_prune: dict of {layer_num: list of heads to prune in this layer} See base
        class PreTrainedModel
        """
        raise NotImplementedError