Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19439#discussion_r150449520
--- Diff: python/pyspark/ml/image.py ---
@@ -129,7 +129,7 @@ def toImage(self, array, origin=""):
:param array array: The array to convert to image
:param str origin: Path to the image, optional
- :rtype object: Two dimensional image
+ :return: object: Two dimensional image
--- End diff --
``:return: a :class:`Row` of blabla``
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