potiuk commented on a change in pull request #12472:
URL: https://github.com/apache/airflow/pull/12472#discussion_r535374856
##########
File path: airflow/serialization/serialized_objects.py
##########
@@ -20,17 +20,25 @@
import enum
import logging
from inspect import Parameter, signature
-from typing import Any, Dict, Iterable, List, Optional, Set, Union
+from typing import Any, Dict, Iterable, Optional, Set, Union
import cattr
import pendulum
from dateutil import relativedelta
+
+try:
+ from functools import cache
+except ImportError:
+ from functools import lru_cache
+
+ cache = lru_cache(maxsize=None)
Review comment:
It was black-formatted, I stopped caring since we have pre-commit
enabled. If black-thinks it is, good, it must be good.
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