Update sphinx to 3.0.1

[pyup-bot]

This PR updates Sphinx from 2.4.4 to 3.0.1.

Changelog

### 3.0.1 ``` ===================================== Incompatible changes -------------------- * 7418: std domain: :rst:dir:`term` role becomes case sensitive Bugs fixed ---------- * 7428: py domain: a reference to class ``None`` emits a nitpicky warning * 7445: py domain: a return annotation ``None`` in the function signature is not converted to a hyperlink when using intersphinx * 7418: std domain: duplication warning for glossary terms is case insensitive * 7438: C++, fix merging overloaded functions in parallel builds. * 7422: autodoc: fails with ValueError when using autodoc_mock_imports * 7435: autodoc: ``autodoc_typehints='description'`` doesn't suppress typehints in signature for classes/methods * 7451: autodoc: fails with AttributeError when an object returns non-string object as a ``__doc__`` member * 7423: crashed when giving a non-string object to logger * 7479: html theme: Do not include xmlns attribute with HTML 5 doctype * 7426: html theme: Escape some links in HTML templates ``` ### 3.0.0 ``` * 7364: autosummary: crashed when :confval:`autosummary_generate` is False * 7370: autosummary: raises UnboundLocalError when unknown module given * 7367: C++, alternate operator spellings are now supported. * C, alternate operator spellings are now supported. * 7368: C++, comma operator in expressions, pack expansion in template argument lists, and more comprehensive error messages in some cases. * C, C++, fix crash and wrong duplicate warnings related to anon symbols. * 6477: Escape first "!" in a cross reference linking no longer possible * 7219: py domain: The index entry generated by ``py:function`` directive is different with one from ``index`` directive with "builtin" type * 7301: capital characters are not allowed for node_id * 7301: epub: duplicated node_ids are generated * 6564: html: a width of table was ignored on HTML builder * 7401: Incorrect argument is passed for :event:`env-get-outdated` handlers * 7355: autodoc: a signature of cython-function is not recognized well * 7222: autodoc: ``__wrapped__`` functions are not documented correctly * 7409: intersphinx: ValueError is raised when an extension sets up :confval:`intersphinx_mapping` on :event:`config-inited` event * 7343: Sphinx builds has been slower since 2.4.0 on debug mode ``` ### 3.0.0b1 ``` * C++, fix cross reference lookup in certain cases involving function overloads. * 5078: C++, fix cross reference lookup when a directive contains multiple declarations. * C++, suppress warnings for directly dependent typenames in cross references generated automatically in signatures. * 5637: autodoc: Incorrect handling of nested class names on show-inheritance * 7267: autodoc: error message for invalid directive options has wrong location * 7329: autodoc: info-field-list is wrongly generated from type hints into the class description even if ``autoclass_content='class'`` set * 7331: autodoc: a cython-function is not recognized as a function * 5637: inheritance_diagram: Incorrect handling of nested class names * 7139: ``code-block:: guess`` does not work * 7325: html: source_suffix containing dot leads to wrong source link * 7357: html: Resizing SVG image fails with ValueError * 7278: html search: Fix use of ``html_file_suffix`` instead of ``html_link_suffix`` in search results * 7297: html theme: ``bizstyle`` does not support ``sidebarwidth`` * 3842: singlehtml: Path to images broken when master doc is not in source root * 7179: std domain: Fix whitespaces are suppressed on referring GenericObject * 7289: console: use bright colors instead of bold * 1539: C, parse array types. * 2377: C, parse function pointers even in complex types. * 7345: sphinx-build: Sphinx crashes if output directory exists as a file * 7290: sphinx-build: Ignore bdb.BdbQuit when handling exceptions * 6240: napoleon: Attributes and Methods sections ignore :noindex: option ```

Links

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

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[coveralls]

Coverage remained the same at 82.459% when pulling 3d66cb110bff74c6212fa94240fe9158381e16f0 on pyup-update-sphinx-2.4.4-to-3.0.1 into 76a8834784c8cc86e472ce4f5ae2f2c2cd55c55b on develop.

[pyup-bot]

Closing this in favor of #122