Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19439#discussion_r150450502
--- 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 --
BTW, output doc can be checked:
```
pip install sphinx
cd python/docs
make clean
make html
# open up
"file:///.../spark/python/docs/_build/html/pyspark.ml.html#module-pyspark.ml.image"
in your browser.
```
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