transformers

5aab6428 - Fix stale _added_tokens_encoder entries in cpmant and wav2vec2 (#47440)

Fix stale _added_tokens_encoder entries in cpmant and wav2vec2 (#47440) * Fix stale _added_tokens_encoder entries in cpmant and wav2vec2 * Address review: drop temp var, assert on the added-token dicts directly - wav2vec2: pop the encoder entry straight from the decoder pop - tests: drop set(), assertNotIn on _added_tokens_encoder and the contents of _added_tokens_decoder, compare the dicts directly