[Python-modules-team] Bug#959558: this fix breaks things

[Rebecca N. Palmer]

This fix causes Sphinx to fail if documenting an object whose 
__getattr__ fails, e.g. flask.request.  This causes at least snakemake 
to FTBFS.

Details and fix:
https://github.com/sphinx-doc/sphinx/pull/7520

A workaround in failing packages is to add
autodoc_default_options = {'exclude-members': 'request'}
(or whatever object triggers the error) to conf.py, but if there are 
more than just snakemake, I suggest instead fixing sphinx itself.