jingz-db commented on code in PR #49560:
URL: https://github.com/apache/spark/pull/49560#discussion_r1953428900
##########
python/pyspark/sql/pandas/serializers.py:
##########
@@ -1180,6 +1179,7 @@ def load_stream(self, stream):
this function works in overall.
"""
import pyarrow as pa
+ from pyspark.sql.streaming.stateful_processor_util import
TransformWithStateInPandasFuncMode
Review Comment:
We will hit circular dependency:
```
File "/spark/python/pyspark/sql/pandas/serializers.py", line 39, in <module>
from pyspark.sql.streaming.stateful_processor_util import
TransformWithStateInPandasFuncMode
File "/spark/python/pyspark/sql/streaming/stateful_processor_util.py",
line 21, in <module>
from pyspark.sql.streaming.stateful_processor_api_client import (
ImportError: cannot import name 'StatefulProcessorApiClient' from partially
initialized module 'pyspark.sql.streaming.stateful_processor_api_client' (most
likely due to a circular import)
(/spark/python/pyspark/sql/streaming/stateful_processor_api_client.py)
```
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