tests: fix missing import

Author: Borda

tests/tests_pytorch/callbacks/progress/test_tqdm_progress_bar.py

@@ -18,7 +18,7 @@
 from collections import defaultdict
 from typing import Union
 from unittest import mock
-from unittest.mock import ANY, Mock, PropertyMock, call
+from unittest.mock import ANY, Mock, PropertyMock, call, patch
 
 import pytest
 import torch