Update repo to isort v5 (#6686)

* Run new isort

* More changes

* Update CI, CONTRIBUTING and benchmarks

src/transformers/file_utils.py

@@ -24,9 +24,10 @@ from urllib.parse import urlparse
 from zipfile import ZipFile, is_zipfile
 
 import numpy as np
+from tqdm.auto import tqdm
+
 import requests
 from filelock import FileLock
-from tqdm.auto import tqdm
 
 from . import __version__