transformers

d944966b - Fix typos in README and bugs in RAG example code for end-to-end evaluation and finetuning (#9355)

Fix typos in README and bugs in RAG example code for end-to-end evaluation and finetuning (#9355) * fix a bug in eval_batch_retrieval * should return parser as well as other staticmethod * remove duplicate argument * these kwargs are no longer accepted (cause TypeError in self.generator.generate of modeling_rag.py) * fixed file paths in README * moved an arg to add_ray_specific_args