chadrik commented on a change in pull request #11632:
URL: https://github.com/apache/beam/pull/11632#discussion_r431264152
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File path: sdks/python/apache_beam/dataframe/convert.py
##########
@@ -17,12 +17,20 @@
from __future__ import absolute_import
import inspect
+from typing import Any
Review comment:
```suggestion
from typing import TYPE_CHECKING
from typing import Any
```
##########
File path: sdks/python/apache_beam/dataframe/convert.py
##########
@@ -17,12 +17,20 @@
from __future__ import absolute_import
import inspect
+from typing import Any
+from typing import Dict
+from typing import Tuple
+from typing import Union
from apache_beam import pvalue
from apache_beam.dataframe import expressions
from apache_beam.dataframe import frame_base
from apache_beam.dataframe import transforms
+if typing.TYPE_CHECKING:
Review comment:
```suggestion
if TYPE_CHECKING:
```
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