Update sphinx to 2.2.1

[pyup-bot]

This PR updates Sphinx from 2.1.0 to 2.2.1.

Changelog

### 2.2.1 ``` ============================== Dependencies ------------ Incompatible changes -------------------- Deprecated ---------- Features added -------------- Bugs fixed ---------- * 6641: LaTeX: Undefined control sequence ``\sphinxmaketitle`` * 6710: LaTeX not well configured for Greek language as main language Testing -------- ``` ### 2.2.0 ``` ===================================== Incompatible changes -------------------- * apidoc: template files are renamed to ``.rst_t`` * html: Field lists will be styled by grid layout Deprecated ---------- * ``sphinx.domains.math.MathDomain.add_equation()`` * ``sphinx.domains.math.MathDomain.get_next_equation_number()`` * The ``info`` and ``warn`` arguments of ``sphinx.ext.autosummary.generate.generate_autosummary_docs()`` * ``sphinx.ext.autosummary.generate._simple_info()`` * ``sphinx.ext.autosummary.generate._simple_warn()`` * ``sphinx.ext.todo.merge_info()`` * ``sphinx.ext.todo.process_todo_nodes()`` * ``sphinx.ext.todo.process_todos()`` * ``sphinx.ext.todo.purge_todos()`` Features added -------------- * 5124: graphviz: ``:graphviz_dot:`` option is renamed to ``:layout:`` * 1464: html: emit a warning if :confval:`html_static_path` and :confval:`html_extra_path` directories are inside output directory * 6514: html: Add a label to search input for accessability purposes * 5602: apidoc: Add ``--templatedir`` option * 6475: Add ``override`` argument to ``app.add_autodocumenter()`` * 6310: imgmath: let :confval:`imgmath_use_preview` work also with the SVG format for images rendering inline math * 6533: LaTeX: refactor visit_enumerated_list() to use ``\sphinxsetlistlabels`` * 6628: quickstart: Use ``https://docs.python.org/3/`` for default setting of :confval:`intersphinx_mapping` * 6419: sphinx-build: give reasons why rebuilded Bugs fixed ---------- * py domain: duplicated warning does not point the location of source code * 6499: html: Sphinx never updates a copy of :confval:`html_logo` even if original file has changed * 1125: html theme: scrollbar is hard to see on classic theme and macOS * 5502: linkcheck: Consider HTTP 503 response as not an error * 6439: Make generated download links reproducible * 6486: UnboundLocalError is raised if broken extension installed * 6567: autodoc: :confval:`autodoc_inherit_docstrings` does not effect to ``__init__()`` and ``__new__()`` * 6574: autodoc: :confval:`autodoc_member_order` does not refer order of imports when ``'bysource'`` order * 6574: autodoc: missing type annotation for variadic and keyword parameters * 6589: autodoc: Formatting issues with autodoc_typehints='none' * 6605: autodoc: crashed when target code contains custom method-like objects * 6498: autosummary: crashed with wrong autosummary_generate setting * 6507: autosummary: crashes without no autosummary_generate setting * 6511: LaTeX: autonumbered list can not be customized in LaTeX since Sphinx 1.8.0 (refs: 6533) * 6531: Failed to load last environment object when extension added * 736: Invalid sort in pair index * 6527: :confval:`last_updated` wrongly assumes timezone as UTC * 5592: std domain: :rst:dir:`option` directive registers an index entry for each comma separated option * 6549: sphinx-build: Escaped characters in error messages * 6545: doctest comments not getting trimmed since Sphinx 1.8.0 * 6561: glossary: Wrong hyperlinks are generated for non alphanumeric terms * 6620: i18n: classifiers of definition list are not translated with docutils-0.15 * 6474: ``DocFieldTransformer`` raises AttributeError when given directive is not a subclass of ObjectDescription ``` ### 2.1.2 ``` ===================================== Bugs fixed ---------- * 6497: custom lexers fails highlighting when syntax error * 6478, 6488: info field lists are incorrectly recognized ``` ### 2.1.1 ``` ===================================== Incompatible changes -------------------- * 6447: autodoc: Stop to generate document for undocumented module variables Bugs fixed ---------- * 6442: LaTeX: admonitions of :rst:dir:`note` type can get separated from immediately preceding section title by pagebreak * 6448: autodoc: crashed when autodocumenting classes with ``__slots__ = None`` * 6451: autodoc: generates docs for "optional import"ed modules as variables * 6452: autosummary: crashed when generating document of properties * 6455: napoleon: docstrings for properties are not processed * 6436: napoleon: "Unknown target name" error if variable name ends with underscore * 6440: apidoc: missing blank lines between modules ```

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 #53