Update jedi to 0.15.0

[pyup-bot]

This PR updates jedi from 0.13.2 to 0.15.0.

Changelog

0.15.0

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

* Adds `only_complete_after_regex` setting
* Upgrade jedi to 0.13.3 and parso to 0.4.0

0.14.1

+++++++++++++++++++

- CallSignature.index should now be working a lot better
- A couple of smaller bugfixes

0.14.0

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

* upgrade to jedi lib to v0.13.2
* Python 3.3 support discontinues by jedi lib.

0.13.4

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


Changes
-------

* fix duplication in function parameters completion (267)

0.13.3

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


Changes
-------

* fix function parameters autocompletion in function body. (265)

Links

• PyPI: https://pypi.org/project/jedi
• Changelog: https://pyup.io/changelogs/jedi/
• Repo: https://github.com/davidhalter/jedi

[codecov]

Codecov Report

Merging #179 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #179   +/-   ##
=======================================
  Coverage   76.08%   76.08%           
=======================================
  Files           9        9           
  Lines         322      322           
  Branches       37       37           
=======================================
  Hits          245      245           
  Misses         68       68           
  Partials        9        9

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[pyup-bot]

Closing this in favor of #180