Pin numpydoc to latest version 0.9.1

[pyup-bot]

This PR pins numpydoc to the latest release 0.9.1.

Changelog

0.9.0

**Implemented enhancements:**

- MAINT: Add CircleCI  [\208](https://github.com/numpy/numpydoc/pull/208) ([larsoner](https://github.com/larsoner))
- ENH: accept autoclass member options [\205](https://github.com/numpy/numpydoc/pull/205) ([mattip](https://github.com/mattip))
- Clarify location of certain invalid docstrings. [\200](https://github.com/numpy/numpydoc/pull/200) ([anntzer](https://github.com/anntzer))
- ENH: Xref param type [\197](https://github.com/numpy/numpydoc/pull/197) ([larsoner](https://github.com/larsoner))
- Make parameter a namedtuple [\176](https://github.com/numpy/numpydoc/pull/176) ([timhoffm](https://github.com/timhoffm))
- ENH: Added support for multiple functions+description in a See Also block [\172](https://github.com/numpy/numpydoc/pull/172) ([pvanmulbregt](https://github.com/pvanmulbregt))
- DOC: Added example of multi-line code in Examples section. [\168](https://github.com/numpy/numpydoc/pull/168) ([pvanmulbregt](https://github.com/pvanmulbregt))
- switch the test suite to pytest [\166](https://github.com/numpy/numpydoc/pull/166) ([ev-br](https://github.com/ev-br))
- Report object name upon mangle_docstrings exception [\164](https://github.com/numpy/numpydoc/pull/164) ([jnothman](https://github.com/jnothman))
- Add option to use member listing for attributes [\161](https://github.com/numpy/numpydoc/pull/161) [jorisvandenbossche](https://github.com/jorisvandenbossche)
- Require that sphinx issue no warnings in CI [\153](https://github.com/numpy/numpydoc/pull/153) ([jnothman](https://github.com/jnothman))
- Command-line tool to help debug NumpyDocString [\146](https://github.com/numpy/numpydoc/pull/146) ([jnothman](https://github.com/jnothman))
- Support Receives section for generator.send\(...\) params [\145](https://github.com/numpy/numpydoc/pull/145) ([jnothman](https://github.com/jnothman))

**Fixed bugs:**

- References messed up [\177](https://github.com/numpy/numpydoc/issues/177)
- BUG?: References always have an errant second link [\169](https://github.com/numpy/numpydoc/issues/169)
- BUG: turn member descriptor attributes into links [\201](https://github.com/numpy/numpydoc/pull/201) ([mattip](https://github.com/mattip))
- FIX: Fix collections.abc imports [\195](https://github.com/numpy/numpydoc/pull/195) ([larsoner](https://github.com/larsoner))
- FIX: Escape chars in re [\194](https://github.com/numpy/numpydoc/pull/194) ([larsoner](https://github.com/larsoner))
- Fix markup in format.rst. [\193](https://github.com/numpy/numpydoc/pull/193) ([anntzer](https://github.com/anntzer))
- Move setup of autosummary earlier in setup\(\). [\191](https://github.com/numpy/numpydoc/pull/191) ([anntzer](https://github.com/anntzer))
- Only print the index if it is necessary. [\187](https://github.com/numpy/numpydoc/pull/187) ([hmaarrfk](https://github.com/hmaarrfk))
- FIX pedantic handling of whitespace in reference regex [\181](https://github.com/numpy/numpydoc/pull/181) ([jnothman](https://github.com/jnothman))
- FIX remove duplicated citation back-references [\180](https://github.com/numpy/numpydoc/pull/180) ([jnothman](https://github.com/jnothman))
- Use DEDUPLICATION\_TAG to determine whether a citation node is in a docstring [\179](https://github.com/numpy/numpydoc/pull/179) ([jnothman](https://github.com/jnothman))
- FIX parsing of type-only return params [\175](https://github.com/numpy/numpydoc/pull/175) ([timhoffm](https://github.com/timhoffm))
- pip --use-wheel no longer exists [\174](https://github.com/numpy/numpydoc/pull/174) ([jnothman](https://github.com/jnothman))
- DOC: Add missing backslash to omega for inline math example. [\171](https://github.com/numpy/numpydoc/pull/171) ([pvanmulbregt](https://github.com/pvanmulbregt))
- DOC: remove links to numpy repo file [\167](https://github.com/numpy/numpydoc/pull/167) ([mattip](https://github.com/mattip))
- Escape the \* in \*args and \*\*kwargs [\155](https://github.com/numpy/numpydoc/pull/155) ([has2k1](https://github.com/has2k1))

**Closed issues:**

- autosummary fails with numpydoc where napoleon succeeds [\204](https://github.com/numpy/numpydoc/issues/204)
-  NumpyDocString doesn't roundtrip well [\188](https://github.com/numpy/numpydoc/issues/188)
- Generating a docstring from a numpydoc object [\186](https://github.com/numpy/numpydoc/issues/186)
- make parameters and attributes anchors in docstrings [\185](https://github.com/numpy/numpydoc/issues/185)
- BUG: Plot\(s\) not rendered if docstring ends with normal text after show command [\162](https://github.com/numpy/numpydoc/issues/162)
- Location reporting returns useless information [\115](https://github.com/numpy/numpydoc/issues/115)
- Anonymous return values have their types populated in the name slot of the tuple.  [\72](https://github.com/numpy/numpydoc/issues/72)
- support for coroutine [\47](https://github.com/numpy/numpydoc/issues/47)
- multiple entries in a See Also section [\28](https://github.com/numpy/numpydoc/issues/28)

Links

• PyPI: https://pypi.org/project/numpydoc
• Changelog: https://pyup.io/changelogs/numpydoc/
• Docs: https://numpydoc.readthedocs.io

[coveralls]

Pull Request Test Coverage Report for Build 730

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 55.051%

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Files with Coverage Reduction	New Missed Lines	%
pymaid/fetch.py	1	64.39%

Totals
Change from base Build 715:	-0.01%
Covered Lines:	4834
Relevant Lines:	8781

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💛 - Coveralls