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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