Update sphinx to 1.6.2

[pyup-bot]

There's a new version of sphinx available.
You are currently using 1.5.6. I have updated it to 1.6.2

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

Changelog

1.6.2

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

Incompatible changes

• 3789: Do not require typing module for python>=3.5

Bugs fixed

• 3754: HTML builder crashes if HTML theme appends own stylesheets
• 3756: epub: Entity 'mdash' not defined
• 3758: Sphinx crashed if logs are emitted in conf.py
• 3755: incorrectly warns about dedent with literalinclude
• 3742: RTD <https://readthedocs.org/>_ PDF builds of Sphinx own docs are
  missing an index entry in the bookmarks and table of contents. This is
  rtfd/readthedocs.org2857 <https://github.com/rtfd/readthedocs.org/issues/2857>_ issue, a workaround
  is obtained using some extra LaTeX code in Sphinx's own :file:conf.py
• 3770: Build fails when a "code-block" has the option emphasize-lines and the
  number indicated is higher than the number of lines
• 3774: Incremental HTML building broken when using citations
• 3772: 'str object' has no attribute 'filename'
• 3763: got epubcheck validations error if epub_cover is set
• 3779: 'ImportError' in sphinx.ext.autodoc due to broken 'sys.meta_path'.
  Thanks to Tatiana Tereshchenko.
• 3796: env.resolve_references() crashes when non-document node given
• 3803: Sphinx crashes with invalid PO files
• 3791: PDF "continued on next page" for long tables isn't internationalized
• 3788: smartquotes emits warnings for unsupported languages
• 3807: latex Makefile for make latexpdf is only for unixen
• 3781: double hyphens in option directive are compiled as endashes
• 3817: latex builder raises AttributeError

1.6.1

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

Dependencies

1.6

• LDML format support in i18n feature
• sphinx.addnodes.termsep
• Some functions and classes in sphinx.util.pycompat:
  zip_longest, product, all, any, next, open,
  class_types, base_exception, relpath, StringIO, BytesIO.
  Please use the standard library version instead;

If any deprecation warning like RemovedInSphinxXXXWarning are displayed,
please refer :ref:when-deprecation-warnings-are-displayed.

Features added

1.6b3

• 3588: No compact (p tag) html output in the i18n document build even when
  :confval:html_compact_lists is True.
• The make latexpdf from 1.6b1 (for GNU/Linux and Mac OS, using
  latexmk) aborted earlier in case of LaTeX errors than was the case with
  1.5 series, due to hard-coded usage of --halt-on-error option. (refs 3695)
• 3683: sphinx.websupport module is not provided by default
• 3683: Failed to build document if builder.css_file.insert() is called
• 3714: viewcode extension not taking highlight_code='none' in account
• 3698: Moving :doc: to std domain broke backwards compatibility
• 3633: misdetect unreferenced citations

1.6b2

• 3662: builder.css_files is deprecated. Please use add_stylesheet()
  API instead.

1.6b1

• sphinx.util.compat.Directive class is now deprecated. Please use
  docutils.parsers.rst.Directive instead.
• sphinx.util.compat.docutils_version is now deprecated
• 2367: Sphinx.warn(), Sphinx.info() and other logging methods are now
  deprecated. Please use sphinx.util.logging (:ref:logging-api) instead.
• 3318: notice is now deprecated as LaTeX environment name and will be
  removed at Sphinx 1.7. Extension authors please use sphinxadmonition
  instead (as Sphinx does since 1.5.)
• Sphinx.status_iterator() and Sphinx.old_status_iterator() is now
  deprecated. Please use sphinx.util:status_iterator() instead.
• Sphinx._directive_helper() is deprecated. Please use
  sphinx.util.docutils.directive_helper() instead.
• BuildEnvironment.set_warnfunc() is now deprecated
• Following methods of BuildEnvironment is now deprecated.

• BuildEnvironment.note_toctree()
• BuildEnvironment.get_toc_for()
• BuildEnvironment.get_toctree_for()
• BuildEnvironment.create_index()

Please use sphinx.environment.adapters modules instead.

• latex package footnote is not loaded anymore by its bundled replacement
  footnotehyper-sphinx. The redefined macros keep the same names as in the
  original package.
• 3429: deprecate config setting latex_keep_old_macro_names. It will be
  removed at 1.7, and already its default value has changed from True to
  False.
• 3221: epub2 builder is deprecated
• 3254: sphinx.websupport is now separated into independent package;
  sphinxcontrib-websupport. sphinx.websupport will be removed in
  Sphinx-2.0.
• 3628: sphinx_themes entry_point is deprecated. Please use
  sphinx.html_themes instead.

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

Happy merging! 🤖