Whitespace in overly long output

[cfbolz]

One of my Python intro students had this (to them frustrating) problem this week: When the output of a cell is very long, it's split up into different output_area divs, with output_subareas inside. The bottom and top padding around these output_subarea divs make it look like there is an empty line printed in the middle of the long output, making the student search for an extra print() in their code. See screenshot for an example:

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[echarles]

I am trying to reproduce this but can only get one output_subarea.