Github user AhyoungRyu commented on the issue: https://github.com/apache/zeppelin/pull/2220 @felixcheung Thanks! Reading `ZEPPELIN_HOME` and providing full path would be better as you said, but it says "usually found in..". So I think it's not that much hard for users to understand or find the matplotlib related files. <img width="1236" alt="screen shot 2017-04-05 at 1 27 19 pm" src="https://cloud.githubusercontent.com/assets/10060731/24689763/b3dfda7c-1a03-11e7-95aa-64017047074f.png">
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