Update quality tooling for formatting (#21480)

* Result of black 23.1

* Update target to Python 3.7

* Switch flake8 to ruff

* Configure isort

* Configure isort

* Apply isort with line limit

* Put the right black version

* adapt black in check copies

* Fix copies

src/transformers/testing_utils.py

@@ -35,6 +35,7 @@ from typing import Iterator, List, Optional, Union
 from unittest import mock
 
 import huggingface_hub
+
 from transformers import logging as transformers_logging
 
 from .deepspeed import is_deepspeed_available
@@ -778,6 +779,7 @@ def get_tests_dir(append_path=None):
 # The original code came from:
 # https://github.com/fastai/fastai/blob/master/tests/utils/text.py
 
+
 # When any function contains print() calls that get overwritten, like progress bars,
 # a special care needs to be applied, since under pytest -s captured output (capsys
 # or contextlib.redirect_stdout) contains any temporary printed strings, followed by