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/dpr/test_modeling_dpr.py

@@ -179,7 +179,6 @@ class DPRModelTester:
 
 @require_torch
 class DPRModelTest(ModelTesterMixin, unittest.TestCase):
-
     all_model_classes = (
         (
             DPRContextEncoder,

tests/models/dpr/test_modeling_tf_dpr.py

@@ -172,7 +172,6 @@ class TFDPRModelTester:
 
 @require_tf
 class TFDPRModelTest(TFModelTesterMixin, unittest.TestCase):
-
     all_model_classes = (
         (
             TFDPRContextEncoder,

tests/models/dpr/test_tokenization_dpr.py

@@ -30,7 +30,6 @@ from ..bert.test_tokenization_bert import BertTokenizationTest
 
 @require_tokenizers
 class DPRContextEncoderTokenizationTest(BertTokenizationTest):
-
     tokenizer_class = DPRContextEncoderTokenizer
     rust_tokenizer_class = DPRContextEncoderTokenizerFast
     test_rust_tokenizer = True
@@ -38,7 +37,6 @@ class DPRContextEncoderTokenizationTest(BertTokenizationTest):
 
 @require_tokenizers
 class DPRQuestionEncoderTokenizationTest(BertTokenizationTest):
-
     tokenizer_class = DPRQuestionEncoderTokenizer
     rust_tokenizer_class = DPRQuestionEncoderTokenizerFast
     test_rust_tokenizer = True
@@ -46,7 +44,6 @@ class DPRQuestionEncoderTokenizationTest(BertTokenizationTest):
 
 @require_tokenizers
 class DPRReaderTokenizationTest(BertTokenizationTest):
-
     tokenizer_class = DPRReaderTokenizer
     rust_tokenizer_class = DPRReaderTokenizerFast
     test_rust_tokenizer = True