Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/20841#discussion_r175005947
--- Diff: python/pyspark/sql/context.py ---
@@ -124,7 +124,7 @@ def setConf(self, key, value):
@ignore_unicode_prefix
@since(1.3)
- def getConf(self, key, defaultValue=None):
+ def getConf(self, key, defaultValue=_NoValue):
"""Returns the value of Spark SQL configuration property for the
given key.
If the key is not set and defaultValue is not None, return
--- End diff --
We should update this doc.
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