Pin pep8 to latest version 1.7.1

[pyup-bot]

This PR pins pep8 to the latest release 1.7.1.

Changelog

0.5

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* Allow decorators on class and clas methods.

0.4.2

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* Decorators on classes and class methods are OK now.

0.4

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* Support for all versions of Python from 2.3 to 3.1.

* New and greatly expanded self tests.

* Added --count option to print the total number of errors and warnings.

* Further improvements to the handling of comments and blank lines.
(Issue 1 and others changes.)

* check all py files in directory when passed a directory (Issue
2). This also prevents an exception when traversing directories
with non ``*.py`` files.

* E231 should allow commas to be followed by ``)`` (Issue 3)

* Spaces are not longer required around the equals sign for keyword
arguments or default parameter values.

0.3.1

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* Fixes for comments: do not count them when checking for blank lines between
items.

* Added setup.py for pypi upload and easy_installability.

0.2

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* Loads of fixes and improvements.

0.1

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* First release.

Links

• PyPI: https://pypi.org/project/pep8
• Changelog: https://pyup.io/changelogs/pep8/
• Docs: http://pep8.readthedocs.org/