Bump pyflakes from 0.8.1 to 2.2.0#24

Bumps [pyflakes](https://github.com/PyCQA/pyflakes) from 0.8.1 to 2.2.0. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/PyCQA/pyflakes/blob/master/NEWS.rst">pyflakes's changelog</a>.</em></p> <blockquote> <p>2.2.0 (2020-04-08)</p> <ul> <li>Include column information in error messages</li> <li>Fix <code>@overload</code> detection with other decorators and in non-global scopes</li> <li>Fix return-type annotation being a class member</li> <li>Fix assignment to <code>_</code> in doctests with existing <code>_</code> name</li> <li>Namespace attributes which are attached to ast nodes with <code>_pyflakes_</code> to avoid conflicts with other libraries (notably bandit)</li> <li>Add check for f-strings without placeholders</li> <li>Add check for unused/extra/invalid <code>'string literal'.format(...)</code></li> <li>Add check for unused/extra/invalid <code>'string literal % ...</code></li> <li>Improve python shebang detection</li> <li>Allow type ignore to be followed by a code <code># type: ignore[attr-defined]</code></li> <li>Add support for assignment expressions (PEP 572)</li> <li>Support <code>@overload</code> detection from <code>typing_extensions</code> as well</li> <li>Fix <code>@overload</code> detection for async functions</li> <li>Allow <code>continue</code> inside <code>finally</code> in python 3.8+</li> <li>Fix handling of annotations in positional-only arguments</li> <li>Make pyflakes more resistant to future syntax additions</li> <li>Fix false positives in partially quoted type annotations</li> <li>Warn about <code>is</code> comparison to tuples</li> <li>Fix <code>Checker</code> usage with async function subtrees</li> <li>Add check for <code>if</code> of non-empty tuple</li> <li>Switch from <code>optparse</code> to <code>argparse</code></li> <li>Fix false positives in partially quoted type annotations in unusual contexts</li> <li>Be more cautious when identifying <code>Literal</code> type expressions</li> </ul> <p>2.1.1 (2019-02-28)</p> <ul> <li>Fix reported line number for type comment errors</li> <li>Fix typing.overload check to only check imported names</li> </ul> <p>2.1.0 (2019-01-23)</p> <ul> <li>Allow intentional assignment to variables named <code>_</code></li> <li>Recognize <code>__module__</code> as a valid name in class scope</li> <li><code>pyflakes.checker.Checker</code> supports checking of partial <code>ast</code> trees</li> <li>Detect assign-before-use for local variables which shadow builtin names</li> <li>Detect invalid <code>print</code> syntax using <code>&gt;&gt;</code> operator</li> <li>Treat <code>async for</code> the same as a <code>for</code> loop for introducing variables</li> <li>Add detection for list concatenation in <code>__all__</code></li> <li>Exempt <code>@typing.overload</code> from duplicate function declaration</li> <li>Importing a submodule of an <code>as</code>-aliased <code>import</code>-import is marked as used</li> <li>Report undefined names from <code>__all__</code> as possibly coming from a <code>*</code> import</li> <li>Add support for changes in Python 3.8-dev</li> <li>Add support for PEP 563 (<code>from __future__ import annotations</code>)</li> <li>Include Python version and platform information in <code>pyflakes --version</code></li> <li>Recognize <code>__annotations__</code> as a valid magic global in Python 3.6+</li> <li>Mark names used in PEP 484 <code># type: ...</code> comments as used</li> <li>Add check for use of <code>is</code> operator with <code>str</code>, <code>bytes</code>, and <code>int</code> literals</li> </ul> </tr></table> ... (truncated) </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/PyCQA/pyflakes/commit/c72d6cf1a9a119c1dd7a7674f36da21aea32d828"><code>c72d6cf</code></a> Release 2.2.0</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/c688d2b02ac6e3416775b88d6411ee6a3e8a51ec"><code>c688d2b</code></a> Fix pyflakes for removal of ast.Param (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/523">#523</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/684f14db591e9f23a6f27c04300497f56413da8d"><code>684f14d</code></a> Be more cautious when identifying typing Literal (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/517">#517</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/76416437ef22077b5e2949e78fa3000b3580e319"><code>7641643</code></a> Fix quoted type annotations in unusual contexts (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/516">#516</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/ef3c5cb31e06e9f094294353c3c83a9decc0fe57"><code>ef3c5cb</code></a> Deprecate optparse in favor of argparse (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/499">#499</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/598eb1695b03aca23dad10a833fb95e7ed7c7cee"><code>598eb16</code></a> Add a check for if statement conditions which are non-empty tuples (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/512">#512</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/38ee6702ab5d46ae8de436300a85ff5d61ce9f9e"><code>38ee670</code></a> Clarify message docstring (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/522">#522</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/780bdcd6fe10f34f1b3eff1c255ca50ef3b94478"><code>780bdcd</code></a> Fix bug in async function scope checking (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/511">#511</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/0af480e3351ae40b4ae7f3ce7272a46fd4265dbd"><code>0af480e</code></a> Warn about is comparison to tuple (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/484">#484</a>)</li> <li><a href="https://github.com/PyCQA/pyflakes/commit/c9708a18a17fbf17e0d88c1d1675ac1a926c4565"><code>c9708a1</code></a> Fix false positive with partially quoted annotations (<a href="https://github-redirect.dependabot.com/PyCQA/pyflakes/issues/479">#479</a>)</li> <li>Additional commits viewable in <a href="https://github.com/PyCQA/pyflakes/compare/0.8.1...2.2.0">compare view</a></li> </ul> </details> <br /> [](https://dependabot.com/compatibility-score/?dependency-name=pyflakes&package-manager=pip&previous-version=0.8.1&new-version=2.2.0) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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