Update sphinx to 1.7.0

[pyup-bot]

There's a new version of Sphinx available.
You are currently using 1.6.7. 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.

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

Happy merging! 🤖

[pyup-bot]

Closing this in favor of #6