Pycodestyle

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New checks:

* Add W504 warning for checking that a break doesn't happen after a binary
operator. This check is ignored by default. PR 502.
* Add W605 warning for invalid escape sequences in string literals. PR 676.
* Add W606 warning for 'async' and 'await' reserved keywords being introduced
in Python 3.7. PR 684.
* Add E252 error for missing whitespace around equal sign in type annotated
function arguments with defaults values. PR 717.

Changes:

* An internal bisect search has replaced a linear search in order to improve
efficiency. PR 648.
* pycodestyle now uses PyPI trove classifiers in order to document supported
python versions on PyPI. PR 654.
* 'setup.cfg' '[wheel]' section has been renamed to '[bdist_wheel]', as
the former is legacy. PR 653.
* pycodestyle now handles very long lines much more efficiently for python
3.2+. Fixes 643. PR 644.
* You can now write 'pycodestyle.StyleGuide(verbose=True)' instead of
'pycodestyle.StyleGuide(verbose=True, paths=['-v'])' in order to achieve
verbosity. PR 663.
* The distribution of pycodestyle now includes the license text in order to
comply with open source licenses which require this. PR 694.
* 'maximum_line_length' now ignores shebang ('!') lines. PR 736.
* Add configuration option for the allowed number of blank lines. It is
implemented as a top level dictionary which can be easily overwritten. Fixes
732. PR 733.

Bugs:

* Prevent a 'DeprecationWarning', and a 'SyntaxError' in future python, caused
by an invalid escape sequence. PR 625.
* Correctly report E501 when the first line of a docstring is too long.
Resolves 622. PR 630.
* Support variable annotation when variable start by a keyword, such as class
variable type annotations in python 3.6. PR 640.
* pycodestyle internals have been changed in order to allow 'python3 -m
cProfile' to report correct metrics. PR 647.
* Fix a spelling mistake in the description of E722. PR 697.
* 'pycodestyle --diff' now does not break if your 'gitconfig' enables
'mnemonicprefix'. PR 706.

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Bugs:

* Fix regression in detection of E302 and E306; 618, 620

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New Checks:

* Add E722 warning for bare ``except`` clauses
* Report E704 for async function definitions (``async def``)

Bugs:

* Fix another E305 false positive for variables beginning with "class" or
"def"
* Fix detection of multiple spaces between ``async`` and ``def``
* Fix handling of variable annotations. Stop reporting E701 on Python 3.6 for
variable annotations.

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Announcements:

* Added Make target to obtain proper tarball file permissions; 599

Bugs:

* Fixed E305 regression caused by 400; 593

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Announcements:

* Change all references to the pep8 project to say pycodestyle; 530

Changes:

* Report E302 for blank lines before an "async def"; 556
* Update our list of tested and supported Python versions which are 2.6, 2.7,
3.2, 3.3, 3.4 and 3.5 as well as the nightly Python build and PyPy.
* Report E742 and E743 for functions and classes badly named 'l', 'O', or 'I'.
* Report E741 on 'global' and 'nonlocal' statements, as well as prohibited
single-letter variables.
* Deprecated use of `[pep8]` section name in favor of `[pycodestyle]`; 591
* Report E722 when bare except clause is used; 579

Bugs:

* Fix opt_type AssertionError when using Flake8 2.6.2 and pycodestyle; 561
* Require two blank lines after toplevel def, class; 536
* Remove accidentally quadratic computation based on the number of colons. This
will make pycodestyle faster in some cases; 314

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Announcements:

* Repository renamed to `pycodestyle`; Issue 466 / 481.
* Added joint Code of Conduct as member of PyCQA; 483

Changes:

* Added tox test support for Python 3.5 and pypy3
* Added check E275 for whitespace on `from ... import ...` lines; 489 / 491
* Added W503 to the list of codes ignored by default ignore list; 498
* Removed use of project level `.pep8` configuration file; 364

Bugs:

* Fixed bug with treating `~` operator as binary; 383 / 384
* Identify binary operators as unary; 484 / 485