Update pytest to 3.4.2

[pyup-bot]

There's a new version of pytest available.
You are currently using 3.4.1. I have updated it to 3.4.2

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

Changelog

3.4.2

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

Bug Fixes

• Removed progress information when capture option is no. (3203 <https://github.com/pytest-dev/pytest/issues/3203>_)

• Refactor check of bindir from exists to isdir. (3241 <https://github.com/pytest-dev/pytest/issues/3241>_)

• Fix TypeError issue when using approx with a Decimal value.
  (3247 <https://github.com/pytest-dev/pytest/issues/3247>_)

• Fix reference cycle generated when using the request fixture. (3249 <https://github.com/pytest-dev/pytest/issues/3249>_)

• [tool:pytest] sections in *.cfg files passed by the -c option are
  now properly recognized. (3260 <https://github.com/pytest-dev/pytest/issues/3260>_)

Improved Documentation

• Add logging plugin to plugins list. (3209 <https://github.com/pytest-dev/pytest/issues/3209>_)

Trivial/Internal Changes

• Fix minor typo in fixture.rst (3259 <https://github.com/pytest-dev/pytest/issues/3259>_)

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

Happy merging! 🤖

[pyup-bot]

Closing this in favor of #113