Update pytest-sugar to 0.9.0

[pyup-bot]

There's a new version of pytest-sugar available.
You are currently using 0.8.0. I have updated it to 0.9.0

These links might come in handy: PyPI | Changelog | Homepage

Changelog

0.9.0

^^^^^^^^^^^^^^^^^^^

• Print correct location for doctest failures
• Write xdist output on correct lines

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[codecov]

Codecov Report

Merging #171 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #171   +/-   ##
=======================================
  Coverage   80.13%   80.13%           
=======================================
  Files          19       19           
  Lines        1299     1299           
  Branches      181      181           
=======================================
  Hits         1041     1041           
  Misses        188      188           
  Partials       70       70

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