Distributed Trainer: 2 little fixes (#7461)
Distributed Trainer: 2 little fixes (#7461)

* reset model.config

* Update src/transformers/trainer.py

* use lower case tensor

* Just tensor change
huggingface/transformers,huggingface/pytorch-transformers,huggingface/transformers,huggingface/transformers,huggingface/transformers