make style

tests/test_modeling_gpt2.py

@@ -264,7 +264,6 @@ class GPT2ModelTest(ModelTesterMixin, unittest.TestCase):
 
 
 class GPT2ModelLanguageGenerationTest(unittest.TestCase):
-
     @slow
     def test_lm_generate_gpt2(self):
         model = GPT2LMHeadModel.from_pretrained("gpt2")

tests/test_modeling_transfo_xl.py

@@ -215,7 +215,6 @@ class TransfoXLModelTest(ModelTesterMixin, unittest.TestCase):
 
 
 class TransfoXLModelLanguageGenerationTest(unittest.TestCase):
-
     @slow
     def test_lm_generate_transfo_xl_wt103(self):
         model = TransfoXLLMHeadModel.from_pretrained("transfo-xl-wt103")

tests/test_modeling_xlm.py

@@ -400,7 +400,6 @@ class XLMModelTest(ModelTesterMixin, unittest.TestCase):
 
 
 class XLMModelLanguageGenerationTest(unittest.TestCase):
-
     @slow
     def test_lm_generate_xlm_mlm_en_2048(self):
         model = XLMWithLMHeadModel.from_pretrained("xlm-mlm-en-2048")

tests/test_modeling_xlnet.py

@@ -514,7 +514,6 @@ class XLNetModelTest(ModelTesterMixin, unittest.TestCase):
 
 
 class XLNetModelLanguageGenerationTest(unittest.TestCase):
-
     @slow
     def test_lm_generate_xlnet_base_cased(self):
         model = XLNetLMHeadModel.from_pretrained("xlnet-base-cased")