transformers

b712a97d - Make gradient-checkpoint enabling tolerant of models without get_input_embeddings (#42558)

Make gradient-checkpoint enabling tolerant of models without get_input_embeddings (#42558) * add embedding getter * modify your own logic * a common test * some adapters are not PreTrainedModel s * few fixes * implement correct-ish fix? * fixup * this is needed likely * woops * solving some cross-imports issues here and there * more ximports issues * finally * revert changes * fixups * improve message * add common tests for input_ids first * increase test coverage * bigger update for GC * copies * mlcd is getting on my nerves a bit * ah yes * for BC * break a couple modelings * simplify with base_model * fix copies for torch checkpointing * simplify this model * improve messages