Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19439#discussion_r150449107
--- Diff: python/pyspark/ml/image.py ---
@@ -48,7 +48,7 @@ def imageSchema(self):
"""
Returns the image schema.
- :rtype StructType: a DataFrame with a single column of images
+ :return: StructType: a DataFrame with a single column of images
--- End diff --
Let's remove the type specification here -> `` :return: a
:class:`StructType` ... blabla ``
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