cairocffi possible FTBFS

[Christopher Baines <chris@cbaines.net>]

When I tried to build the cairocffi package, I get an error related to
sphinxdoc [2].

This bug report seems to suggest that sphinxdoc should only be used if
sphinx-build from python3-sphnix is used, and I think on my system, I am
using the binary from python-sphinx.

I am not quite sure what to do about this, I assume this must be a
common issue?

Thanks,

Chris

1: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=712426
2:
   dh_sphinxdoc -O--buildsystem=pybuild
dh_sphinxdoc: ignoring unknown JavaScript code:
debian/python-cairocffi-doc/usr/share/doc/python-cairocffi-doc/html/_static/underscore-1.3.1.js
dh_sphinxdoc: error: unknown JavaScript code:
debian/python-cairocffi-doc/usr/share/doc/python-cairocffi-doc/html/_static/jquery.js