Update sphinx to 1.5.6

[pyup-bot]

There's a new version of sphinx available.
You are currently using 1.5.4. I have updated it to 1.5.6

These links might come in handy: PyPI | Changelog | Homepage

Changelog

1.5.6

=====================================

Bugs fixed

• 3614: Sphinx crashes with requests-2.5.0
• 3618: autodoc crashes with tupled arguments
• 3664: No space after the bullet in items of a latex list produced by Sphinx
• 3657: EPUB builder crashes if document startswith genindex exists
• 3588: No compact (p tag) html output in the i18n document build even when
  :confval:html_compact_lists is True.
• 3685: AttributeError when using 3rd party domains
• 3702: LaTeX writer styles figure legends with a hard-coded \small
• 3708: LaTeX writer allows irc scheme
• 3717: Stop enforcing that favicon's must be .ico
• 3731, 3732: Protect isenumclass predicate against non-class arguments
• 3320: Warning about reference target not being found for container types
• Misspelled ARCHIVEPREFIX in Makefile for latex build repertory

1.5.5

=====================================

Bugs fixed

• 3597: python domain raises UnboundLocalError if invalid name given
• 3599: Move to new Mathjax CDN

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[coveralls]

Coverage remained the same at 92.87% when pulling 78c8b7a on pyup-update-sphinx-1.5.4-to-1.5.6 into f3e9501 on master.

[pyup-bot]

Closing this in favor of #38

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.