There's a new version of Sphinx available.
You are currently using 1.6.6. I have updated it to 1.7.0

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

Changelog

1.7.0

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

Dependencies

1.7.0b3

• 4019: inheritance_diagram AttributeError stoping make process
• 4531: autosummary: methods are not treated as attributes
• 4538: autodoc: sphinx.ext.autodoc.Options has been moved
• 4539: autodoc emits warnings for partialmethods
• 4223: doctest: failing tests reported in wrong file, at wrong line
• i18n: message catalogs are not compiled if specific filenames are given for
  sphinx-build as arguments (refs: 4560)
• 4027: sphinx.ext.autosectionlabel now expects labels to be the same as they
  are in the raw source; no smart quotes, nothig fancy.
• 4581: apidoc: Excluded modules still included

Testing

1.7.0b2

• 4415: autodoc classifies inherited classmethods as regular methods
• 4415: autodoc classifies inherited staticmethods as regular methods
• 4472: DOCUMENTATION_OPTIONS is not defined
• 4491: autodoc: prefer _MockImporter over other importers in sys.meta_path
• 4490: autodoc: type annotation is broken with python 3.7.0a4+
• utils package is no longer installed
• 3952: apidoc: module header is too escaped
• 4275: Formats accepted by sphinx.util.i18n.format_date are limited
• 4493: recommonmark raises AttributeError if AutoStructify enabled
• 4209: intersphinx: In link title, "v" should be optional if target has no
  version
• 4230: slowdown in writing pages with sphinx 1.6
• 4522: epub: document is not rebuilt even if config changed

1.7.0b1

• Add support for docutils 0.14
• Add tests for the sphinx.ext.inheritance_diagram extension.

1.6.7

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

Bugs fixed

• 1922: html search: Upper characters problem in French
• 4412: Updated jQuery version from 3.1.0 to 3.2.1
• 4438: math: math with labels with whitespace cause html error
• 2437: make full reference for classes, aliased with "alias of"
• 4434: pure numbers as link targets produce warning
• 4477: Build fails after building specific files
• 4449: apidoc: include "empty" packages that contain modules
• 3917: citation labels are tranformed to ellipsis
• 4501: graphviz: epub3 validation error caused if graph is not clickable
• 4514: graphviz: workaround for wrong map ID which graphviz generates
• 4525: autosectionlabel does not support parallel build
• 3953: Do not raise warning when there is a working intersphinx inventory
• 4487: math: ValueError is raised on parallel build. Thanks to jschueller.
• 2372: autosummary: invalid signatures are shown for type annotated functions
• 3942: html: table is not aligned to center even if :align: center

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

Happy merging! 🤖