shuiqiangchen commented on a change in pull request #13803:
URL: https://github.com/apache/flink/pull/13803#discussion_r517815407
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File path: flink-python/pyflink/datastream/functions.py
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@@ -19,6 +19,7 @@
import abc
from typing import Union, Any, Dict
+from apache_beam import TimeDomain
Review comment:
Yes, it was an error import.
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