Use Python 3.9 syntax in tests (#37343)

Signed-off-by: cyy <cyyever@outlook.com>

tests/test_modeling_tf_common.py

@@ -1,4 +1,3 @@
-# coding=utf-8
 # Copyright 2019 HuggingFace Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -25,7 +24,6 @@ import tempfile
 import unittest
 from importlib import import_module
 from math import isnan
-from typing import List, Tuple
 
 from datasets import Dataset
 
@@ -731,7 +729,7 @@ class TFModelTesterMixin:
             dict_output = model(dict_inputs, return_dict=True, **additional_kwargs).to_tuple()
 
             def recursive_check(tuple_object, dict_object):
-                if isinstance(tuple_object, (List, Tuple)):
+                if isinstance(tuple_object, (list, tuple)):
                     for tuple_iterable_value, dict_iterable_value in zip(tuple_object, dict_object):
                         recursive_check(tuple_iterable_value, dict_iterable_value)
                 elif tuple_object is None: