transformers

55b172b8 - 🚨 Bump to Python 3.10 and rework how we check 3rd-party libraries existence (#41268)

🚨 Bump to Python 3.10 and rework how we check 3rd-party libraries existence (#41268) * cleanup * add check * fix * remove all global variables * fix * add lru caches everywhere * fix * fix * style * improve * reorder all functions * fix order * improve * fix * fix * fix