Github user agoodm commented on the issue: https://github.com/apache/zeppelin/pull/1352 @bustios Nice job on removing the need to perform the python version check completely. This certainly helps make the code look cleaner. However I cannot get your changes to work correctly with PNG images. Instead of resizing the image itself, it resizes the background containing the image:  If I use width instead of height in this example, the image actually gets resized: 
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