Use Python 3.9 syntax in tests (#37343)

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

tests/models/fnet/test_modeling_fnet.py

@@ -1,4 +1,3 @@
-# coding=utf-8
 # Copyright 2021 The HuggingFace Inc. team. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -15,7 +14,6 @@
 """Testing suite for the PyTorch FNet model."""
 
 import unittest
-from typing import Dict, List, Tuple
 
 from transformers import FNetConfig, is_torch_available
 from transformers.models.auto import get_values
@@ -325,10 +323,10 @@ class FNetModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
                 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 isinstance(tuple_object, Dict):
+                    elif isinstance(tuple_object, dict):
                         for tuple_iterable_value, dict_iterable_value in zip(
                             tuple_object.values(), dict_object.values()
                         ):

tests/models/fnet/test_tokenization_fnet.py

@@ -1,4 +1,3 @@
-# coding=utf-8
 # Copyright 2019 Hugging Face inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");