Update flake8 to 3.7.6

[pyup-bot]

This PR updates flake8 from 3.7.1 to 3.7.6.

Changelog

3.7.6

-------------------

You can view the `3.7.6 milestone`_ on GitLab for more details.

Bugs Fixed
~~~~~~~~~~

- Fix ``--per-file-ignores`` for multi-letter error codes (See also
`GitLab!303`_, `GitLab507`_)

- Improve flake8 speed when only 1 filename is passed (See also `GitLab!305`_)


.. all links
.. _3.7.6 milestone:
 https://gitlab.com/pycqa/flake8/milestones/29

.. issue links
.. _GitLab507:
 https://gitlab.com/pycqa/flake8/issues/507

.. merge request links
.. _GitLab!303:
 https://gitlab.com/pycqa/flake8/merge_requests/303
.. _GitLab!305:
 https://gitlab.com/pycqa/flake8/merge_requests/305

3.7.5

-------------------

You can view the `3.7.5 milestone`_ on GitLab for more details.

Bugs Fixed
~~~~~~~~~~

- Fix reporting of pyflakes "referenced before assignment" error (See also
`GitLab!301`_, `GitLab503`_)


.. all links
.. _3.7.5 milestone:
 https://gitlab.com/pycqa/flake8/milestones/28

.. issue links
.. _GitLab503:
 https://gitlab.com/pycqa/flake8/issues/503

.. merge request links
.. _GitLab!301:
 https://gitlab.com/pycqa/flake8/merge_requests/301

3.7.4

-------------------

You can view the `3.7.4 milestone`_ on GitLab for more details.

Bugs Fixed
~~~~~~~~~~

- Fix performance regression with lots of ``per-file-ignores`` and errors
(See also `GitLab!299`_, `GitLab501`_)


.. all links
.. _3.7.4 milestone:
 https://gitlab.com/pycqa/flake8/milestones/27

.. issue links
.. _GitLab501:
 https://gitlab.com/pycqa/flake8/issues/501

.. merge request links
.. _GitLab!299:
 https://gitlab.com/pycqa/flake8/merge_requests/299

3.7.3

-------------------

You can view the `3.7.3 milestone`_ on GitLab for more details.

Bugs Fixed
~~~~~~~~~~

- Fix imports of ``typing`` in python 3.5.0 / 3.5.1 (See also `GitLab!294`_,
`GitLab498`_)

- Fix ``flake8 --statistics`` (See also `GitLab!295`_, `GitLab499`_)

- Gracefully ignore ``flake8-per-file-ignores`` plugin if installed (See also
`GitLab!297`_, `GitLab495`_)

- Improve error message for malformed ``per-file-ignores`` (See also
`GitLab!298`_, `GitLab489`_)


.. all links
.. _3.7.3 milestone:
 https://gitlab.com/pycqa/flake8/milestones/26

.. issue links
.. _GitLab489:
 https://gitlab.com/pycqa/flake8/issues/489
.. _GitLab495:
 https://gitlab.com/pycqa/flake8/issues/495
.. _GitLab498:
 https://gitlab.com/pycqa/flake8/issues/498
.. _GitLab499:
 https://gitlab.com/pycqa/flake8/issues/499

.. merge request links
.. _GitLab!294:
 https://gitlab.com/pycqa/flake8/merge_requests/294
.. _GitLab!295:
 https://gitlab.com/pycqa/flake8/merge_requests/295
.. _GitLab!297:
 https://gitlab.com/pycqa/flake8/merge_requests/297
.. _GitLab!298:
 https://gitlab.com/pycqa/flake8/merge_requests/298

3.7.2

-------------------

You can view the `3.7.2 milestone`_ on GitLab for more details.

Bugs Fixed
~~~~~~~~~~

- Fix broken ``flake8 --diff`` (regressed in 3.7.0) (See also `GitLab!292`_,
`GitLab490`_)

- Fix typo in plugin exception reporting (See also `GitLab!275`_,
`GitLab491`_)

- Fix ``AttributeError`` while attempting to use the legacy api (regressed in
3.7.0) (See also `GitLab!293`_, `GitLab497`_)

.. all links
.. _3.7.2 milestone:
 https://gitlab.com/pycqa/flake8/milestones/25

.. issue links
.. _GitLab490:
 https://gitlab.com/pycqa/flake8/issues/490
.. _GitLab491:
 https://gitlab.com/pycqa/flake8/issues/491
.. _GitLab497:
 https://gitlab.com/pycqa/flake8/issues/497

.. merge request links
.. _GitLab!292:
 https://gitlab.com/pycqa/flake8/merge_requests/292
.. _GitLab!275:
 https://gitlab.com/pycqa/flake8/merge_requests/275
.. _GitLab!293:
 https://gitlab.com/pycqa/flake8/merge_requests/293

Links

• PyPI: https://pypi.org/project/flake8
• Changelog: https://pyup.io/changelogs/flake8/
• Repo: https://gitlab.com/pycqa/flake8

[codecov-io]

Codecov Report

Merging #75 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #75   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           3      3           
  Lines          53     53           
  Branches        2      2           
=====================================
  Hits           53     53

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