Update repo to isort v5 (#6686)

* Run new isort

* More changes

* Update CI, CONTRIBUTING and benchmarks

tests/test_modeling_tf_albert.py

@@ -25,15 +25,16 @@ from .test_modeling_tf_common import TFModelTesterMixin, ids_tensor
 
 if is_tf_available():
     import tensorflow as tf
+
     from transformers.modeling_tf_albert import (
-        TFAlbertModel,
-        TFAlbertForPreTraining,
+        TF_ALBERT_PRETRAINED_MODEL_ARCHIVE_LIST,
         TFAlbertForMaskedLM,
         TFAlbertForMultipleChoice,
-        TFAlbertForSequenceClassification,
+        TFAlbertForPreTraining,
         TFAlbertForQuestionAnswering,
+        TFAlbertForSequenceClassification,
         TFAlbertForTokenClassification,
-        TF_ALBERT_PRETRAINED_MODEL_ARCHIVE_LIST,
+        TFAlbertModel,
     )