Black preview (#17217)

* Black preview

* Fixup too!

* Fix check copies

* Use the same version as the CI

* Bump black

tests/models/reformer/test_modeling_reformer.py

@@ -574,7 +574,10 @@ class ReformerTesterMixin:
 
     @require_torch_multi_gpu
     @unittest.skip(
-        reason="Reformer does not work with data parallel (DP) because of a bug in PyTorch: https://github.com/pytorch/pytorch/issues/36035"
+        reason=(
+            "Reformer does not work with data parallel (DP) because of a bug in PyTorch:"
+            " https://github.com/pytorch/pytorch/issues/36035"
+        )
     )
     def test_multi_gpu_data_parallel_forward(self):
         pass

tests/models/reformer/test_tokenization_reformer.py

@@ -214,7 +214,10 @@ class ReformerTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
 
     @slow
     def test_tokenization_base_hard_symbols(self):
-        symbols = 'This is a very long text with a lot of weird characters, such as: . , ~ ? ( ) " [ ] ! : - . Also we will add words that should not exsist and be tokenized to <unk>, such as saoneuhaoesuth'
+        symbols = (
+            'This is a very long text with a lot of weird characters, such as: . , ~ ? ( ) " [ ] ! : - . Also we will'
+            " add words that should not exsist and be tokenized to <unk>, such as saoneuhaoesuth"
+        )
         original_tokenizer_encodings = [
             108,
             265,