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

tests/models/splinter/test_modeling_splinter.py

@@ -208,7 +208,6 @@ class SplinterModelTester:
 
 @require_torch
 class SplinterModelTest(ModelTesterMixin, unittest.TestCase):
-
     all_model_classes = (
         (
             SplinterModel,
@@ -338,7 +337,6 @@ class SplinterModelTest(ModelTesterMixin, unittest.TestCase):
                 inputs_dict[k] = v.to(0)
 
         for model_class in self.all_model_classes:
-
             # Skip this case since it will fail sometimes, as described above.
             if model_class == SplinterForPreTraining:
                 continue