Find the requested files in the cached path without the internet
# 🚀 Feature request
The pipeline needs an internet connection to find the cached path. A request usually consumes time. 

## Motivation
Could we search only localy for a better performance?

## Your contribution
 My test code:
```
from transformers import pipeline
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

tokenizer = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-de-en")
model = AutoModelForSeq2SeqLM.from_pretrained("Helsinki-NLP/opus-mt-de-en")

de_en_translator = pipeline("translation_de_to_en", model=model, tokenizer=tokenizer)
translation = de_en_translator("Ein kleiner Test.")
```
You can save your model and tokenizer to a directory using `save_pretrained` and load them from there! You only need to specify the directory path to the model/tokenizer arguments you pass to the `pipeline` method.<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

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