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https://issues.apache.org/jira/browse/SPARK-18888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-18888:
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Assignee: Apache Spark
> partitionBy in DataStreamWriter in Python throws _to_seq not defined
> --------------------------------------------------------------------
>
> Key: SPARK-18888
> URL: https://issues.apache.org/jira/browse/SPARK-18888
> Project: Spark
> Issue Type: Bug
> Components: PySpark, Structured Streaming
> Affects Versions: 2.0.2
> Reporter: Burak Yavuz
> Assignee: Apache Spark
> Priority: Blocker
>
> {code}
> python/pyspark/sql/streaming.py in partitionBy(self, *cols)
> 716 if len(cols) == 1 and isinstance(cols[0], (list, tuple)):
> 717 cols = cols[0]
> --> 718 self._jwrite =
> self._jwrite.partitionBy(_to_seq(self._spark._sc, cols))
> 719 return self
> 720
> NameError: global name '_to_seq' is not defined
> {code}
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