Update sphinx_autodoc_typehints to 1.4.0

[pyup-bot]

This PR updates sphinx_autodoc_typehints from 1.3.0 to 1.4.0.

Changelog

1.4.0

=====

* The extension now sets ``typing.TYPECHECKING`` to ``True`` during setup to include conditional
imports which may be used in type annotations
* Fixed parameters with trailing underscores (PR by Daniel Knell)
* Fixed KeyError with private methods (PR by Benito Palacios Sánchez)
* Fixed deprecation warning about the use of formatargspec (PR by Y. Somda)
* The minimum Sphinx version is now v1.7.0

1.3.1

=====

* Fixed rendering of generic types outside the typing module (thanks to Tim Poterba for the PR)

Links

• PyPI: https://pypi.org/project/sphinx-autodoc-typehints
• Changelog: https://pyup.io/changelogs/sphinx-autodoc-typehints/

[coveralls]

Pull Request Test Coverage Report for Build 691

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 688:	0.0%
Covered Lines:	1615
Relevant Lines:	1615

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💛 - Coveralls