Created attachment 475132 [details] full build log Exception occurred: File "conf.py", line 59, in <module> raise ImportError("No module named colorspacious - you need to install " ImportError: No module named colorspacious - you need to install colorspacious to build the documentation The full traceback has been saved in /var/tmp/portage/dev-python/matplotlib-2.0.2/temp/sphinx-err-_4oqeK.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks! Building HTML failed.
I am also experiencing the same issue when upgrading from matplotlib 1.5 -> 2.0. Build fails only with "doc" flag enabled, and passes okey without.
I opened a PR on GitHub that addresses this issue, adding colorspacious and adding it to the doc deps. https://github.com/gentoo/gentoo/pull/4892
(In reply to Sean Vig from comment #2) > I opened a PR on GitHub that addresses this issue, adding colorspacious and > adding it to the doc deps. > > https://github.com/gentoo/gentoo/pull/4892 Thanks! Merged and pushed.
Thanks!