chadrik commented on a change in pull request #12883:
URL: https://github.com/apache/beam/pull/12883#discussion_r495317252
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File path: sdks/python/apache_beam/metrics/cells.py
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@@ -29,8 +29,12 @@
import threading
import time
from builtins import object
+from typing import TYPE_CHECKING
from typing import Optional
+if TYPE_CHECKING:
+ from apache_beam.metrics.metricbase import MetricName
Review comment:
leftover cruft. fixed
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