Github user asfgit closed the pull request at:
https://github.com/apache/zeppelin/pull/2194
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GitHub user Remilito opened a pull request:
https://github.com/apache/zeppelin/pull/2194
[ZEPPELIN-2229] Providing workaround for nvd3 voronoi
### What is this PR for?
After bumping nvd3 to 1.8.5, an error was spotted due to a bug in nvd3.
This PR provides a workaround until
