Github user srdo commented on the issue:
https://github.com/apache/storm/pull/2930
This is in reply to
https://github.com/apache/storm/pull/2930#discussion_r245726485, for some
reason Github won't let me put another comment there.
Makes sense. I think we should at least note that `mock` is a prerequisite
in https://github.com/apache/storm/blob/master/DEVELOPER.md#prerequisites.
Maybe add a line that users should install `pip` and then do `pip install mock
--user`.---
