Github user tomasatdatabricks commented on a diff in the pull request:
https://github.com/apache/spark/pull/20168#discussion_r160305779
--- Diff: python/pyspark/ml/image.py ---
@@ -55,7 +72,7 @@ def imageSchema(self):
"""
if self._imageSchema is None:
- ctx = SparkContext._active_spark_context
+ ctx = SparkContext.getOrCreate()
--- End diff --
Yes, everywhere in image schema code at least.
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