Update sphinx to 1.7.3

[pyup-bot]

This PR updates sphinx from 1.7.1 to 1.7.3.

Changelog

1.7.3

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

Bugs fixed
----------

* 4769: autodoc loses the first staticmethod parameter
* 4790: autosummary: too wide two column tables in PDF builds
* 4795: Latex customization via ``_templates/longtable.tex_t`` is broken
* 4789: imgconverter: confused by convert.exe of Windows
* 4783: On windows, Sphinx crashed when drives of srcdir and outdir are
different
* 4812: autodoc ignores type annotated variables
* 4817: wrong URLs on warning messages
* 4784: latex: :confval:`latex_show_urls` assigns incorrect footnote numbers if
hyperlinks exists inside substitutions
* 4837: latex with class memoir Error: Font command ``\sf`` is not supported
* 4803: latex: too slow in proportion to number of auto numbered footnotes
* 4838: htmlhelp: The entries in .hhp file is not ordered
* toctree directive tries to glob for URL having query_string
* 4871: html search: Upper characters problem in German
* 4717: latex: Compilation for German docs failed with LuaLaTeX and XeLaTeX
* 4459: duplicated labels detector does not work well in parallel build
* 4878: Crashed with extension which returns invalid metadata

1.7.2

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

Incompatible changes
--------------------
* 4520: apidoc: folders with an empty __init__.py are no longer excluded from
TOC

Bugs fixed
----------

* 4669: sphinx.build_main and sphinx.make_main throw NameError
* 4685: autosummary emits meaningless warnings
* autodoc: crashed when invalid options given
* pydomain: always strip parenthesis if empty (refs: 1042)
* 4689: autosummary: unexpectedly strips docstrings containing "i.e."
* 4701: viewcode: Misplaced ``<div>`` in viewcode html output
* 4444: Don't require numfig to use :numref: on sections
* 4727: Option clash for package textcomp
* 4725: Sphinx does not work with python 3.5.0 and 3.5.1
* 4716: Generation PDF file with TexLive on Windows, file not found error
* 4574: vertical space before equation in latex
* 4720: message when an image is mismatched for builder is not clear
* 4655, 4684: Incomplete localization strings in Polish and Chinese
* 2286: Sphinx crashes when error is happens in rendering HTML pages
* 4688: Error to download remote images having long URL
* 4754: sphinx/pycode/__init__.py raises AttributeError
* 1435: qthelp builder should htmlescape keywords
* epub: Fix docTitle elements of toc.ncx is not escaped
* 4520: apidoc: Subpackage not in toc (introduced in 1.6.6) now fixed
* 4767: html: search highlighting breaks mathjax equations

Links

• PyPI: https://pypi.org/project/sphinx
• Changelog: https://pyup.io/changelogs/sphinx/
• Homepage: http://sphinx-doc.org/

[pyup-bot]

Closing this in favor of #122