Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/20288#discussion_r161969687 --- Diff: python/pyspark/sql/context.py --- @@ -147,7 +147,8 @@ def udf(self): :return: :class:`UDFRegistration` """ - return UDFRegistration(self) + from pyspark.sql.session import UDFRegistration + return UDFRegistration(self.sparkSession) --- End diff -- How about `return self.sparkSession.udf`?
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