Convert the dictionary view returned by errors.keys() to a list. Thanks to @edk0 for pointing this out.
Python 3: Convert dictionary view to list
The 3.5 build fail doesn't seem related to this PR, and likely is part of the problem described in #612.
UGH I was worried the Travis problems would mask real Python 3 errors, and surprise! Thanks for catching this.
@bitprophet what the state is this commit in? Are we waiting for you to review it or there is something we can do?
I really thought this PR is related to my bug, but posted an issue anyway. Just in case.
Oh, I failed to notice this got fixed in #679 which I just merged. Should be good now. Thanks!