Update sphinx to 3.4.0

[pyup-bot]

This PR updates sphinx from 3.3.1 to 3.4.0.

Changelog

3.4.0

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

Incompatible changes
--------------------

* 8105: autodoc: the signature of class constructor will be shown for decorated
classes, not a signature of decorator

Deprecated
----------

* The ``follow_wrapped`` argument of ``sphinx.util.inspect.signature()``
* The ``no_docstring`` argument of
``sphinx.ext.autodoc.Documenter.add_content()``
* ``sphinx.ext.autodoc.Documenter.get_object_members()``
* ``sphinx.ext.autodoc.DataDeclarationDocumenter``
* ``sphinx.ext.autodoc.GenericAliasDocumenter``
* ``sphinx.ext.autodoc.InstanceAttributeDocumenter``
* ``sphinx.ext.autodoc.SlotsAttributeDocumenter``
* ``sphinx.ext.autodoc.TypeVarDocumenter``
* ``sphinx.ext.autodoc.importer._getannotations()``
* ``sphinx.ext.autodoc.importer._getmro()``
* ``sphinx.pycode.ModuleAnalyzer.parse()``
* ``sphinx.util.osutil.movefile()``
* ``sphinx.util.requests.is_ssl_error()``

Features added
--------------

* 8119: autodoc: Allow to determine whether a member not included in
``__all__`` attribute of the module should be documented or not via
:event:`autodoc-skip-member` event
* 8219: autodoc: Parameters for generic class are not shown when super class is
a generic class and show-inheritance option is given (in Python 3.7 or above)
* autodoc: Add ``Documenter.config`` as a shortcut to access the config object
* autodoc: Add Optional[t] to annotation of function and method if a default
value equal to None is set.
* 8209: autodoc: Add ``:no-value:`` option to :rst:dir:`autoattribute` and
:rst:dir:`autodata` directive to suppress the default value of the variable
* 8460: autodoc: Support custom types defined by typing.NewType
* 8285: napoleon: Add :confval:`napoleon_attr_annotations` to merge type hints
on source code automatically if any type is specified in docstring
* 8236: napoleon: Support numpydoc's "Receives" section
* 6914: Add a new event :event:`warn-missing-reference` to custom warning
messages when failed to resolve a cross-reference
* 6914: Emit a detailed warning when failed to resolve a ``:ref:`` reference
* 6629: linkcheck: The builder now handles rate limits. See
:confval:`linkcheck_retry_on_rate_limit` for details.

Bugs fixed
----------

* 7613: autodoc: autodoc does not respect __signature__ of the class
* 4606: autodoc: the location of the warning is incorrect for inherited method
* 8105: autodoc: the signature of class constructor is incorrect if the class
is decorated
* 8434: autodoc: :confval:`autodoc_type_aliases` does not effect to variables
and attributes
* 8443: autodoc: autodata directive can't create document for PEP-526 based
type annotated variables
* 8443: autodoc: autoattribute directive can't create document for PEP-526
based uninitalized variables
* 8480: autodoc: autoattribute could not create document for __slots__
attributes
* 8503: autodoc: autoattribute could not create document for a GenericAlias as
class attributes correctly
* 8534: autodoc: autoattribute could not create document for a commented
attribute in alias class
* 8452: autodoc: autodoc_type_aliases doesn't work when autodoc_typehints is
set to "description"
* 8541: autodoc: autodoc_type_aliases doesn't work for the type annotation to
instance attributes
* 8460: autodoc: autodata and autoattribute directives do not display type
information of TypeVars
* 8493: autodoc: references to builtins not working in class aliases
* 8522: autodoc:  ``__bool__`` method could be called
* 8067: autodoc: A typehint for the instance variable having type_comment on
super class is not displayed
* 8545: autodoc: a __slots__ attribute is not documented even having docstring
* 741: autodoc: inherited-members doesn't work for instance attributes on super
class
* 8477: autosummary: non utf-8 reST files are generated when template contains
multibyte characters
* 8501: autosummary: summary extraction splits text after "el at." unexpectedly
* 8524: html: Wrong url_root has been generated on a document named "index"
* 8419: html search: Do not load ``language_data.js`` in non-search pages
* 8549: i18n: ``-D gettext_compact=0`` is no longer working
* 8454: graphviz: The layout option for graph and digraph directives don't work
* 8131: linkcheck: Use GET when HEAD requests cause Too Many Redirects, to
accommodate infinite redirect loops on HEAD
* 8437: Makefile: ``make clean`` with empty BUILDDIR is dangerous
* 8365: py domain: ``:type:`` and ``:rtype:`` gives false ambiguous class
lookup warnings
* 8352: std domain: Failed to parse an option that starts with bracket
* 8519: LaTeX: Prevent page brake in the middle of a seealso
* 8520: C, fix copying of AliasNode.

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 #176