Github user icexelloss commented on a diff in the pull request: https://github.com/apache/spark/pull/22305#discussion_r234790364 --- Diff: python/pyspark/sql/tests.py --- @@ -89,6 +89,7 @@ from pyspark.sql.types import _merge_type from pyspark.tests import QuietTest, ReusedPySparkTestCase, PySparkTestCase, SparkSubmitTests from pyspark.sql.functions import UserDefinedFunction, sha2, lit +import pyspark.sql.functions as F --- End diff -- Thanks! Removed
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