Update isort to 5.6.4

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This PR updates isort from 4.3.18 to 5.6.4.

Changelog

5.6.4

- Fixed 1556: Empty line added between imports that should be skipped.

5.6.3

- Improved packaging of test files alongside source distribution (see: https://github.com/PyCQA/isort/pull/1555).

5.6.2

- Fixed 1548: On rare occasions an unecessary empty line can be added when an import is marked as skipped.
- Fixed 1542: Bug in VERTICAL_PREFIX_FROM_MODULE_IMPORT wrap mode.
- Fixed 1552: Pylama test dependent on source layout.

Goal Zero: (Tickets related to aspirational goal of achieving 0 regressions for remaining 5.0.0 lifespan):
- Zope added to integration test suite
- Additional testing of CLI (simulate unseekable streams)

5.6.1

- Fixed 1546: Unstable (non-idempotent) behavior with certain src trees.

5.6.0

- Implemented 1433: Provide helpful feedback in case a custom config file is specified without a configuration.
- Implemented 1494: Default to sorting imports within `.pxd` files.
- Implemented 1502: Improved float-to-top behavior when there is an existing import section present at top-of-file.
- Implemented 1511: Support for easily seeing all files isort will be ran against using `isort . --show-files`.
- Implemented 1487: Improved handling of encoding errors.
- Improved handling of unsupported configuration option errors (see 1475).
- Fixed 1463: Better interactive documentation for future option.
- Fixed 1461: Quiet config option not respected by file API in some circumstances.
- Fixed 1482: pylama integration is not working correctly out-of-the-box.
- Fixed 1492: --check does not work with stdin source.
- Fixed 1499: isort gets confused by single line, multi-line style comments when using float-to-top.
- Fixed 1525: Some warnings can't be disabled with --quiet.
- Fixed 1523: in rare cases isort can ignore direct from import if as import is also on same line.

Potentially breaking changes:
- Implemented 1540: Officially support Python 3.9 stdlib imports by default.
- Fixed 1443: Incorrect third vs first party categorization - namespace packages.
- Fixed 1486: "Google" profile is not quite Google style.
- Fixed "PyCharm" profile to always add 2 lines to be consistent with what PyCharm "Optimize Imports" does.

Goal Zero: (Tickets related to aspirational goal of achieving 0 regressions for remaining 5.0.0 lifespan):
- Implemented 1472: Full testing of stdin CLI Options
- Added additional branch coverage.
- More projects added to integration test suite.

5.5.5

- Fixed 1539: in extremely rare cases isort 5.5.4 introduces syntax error by removing closing paren.

5.5.4

- Fixed 1507: in rare cases isort changes the content of multiline strings after a yield statement.
- Fixed 1505: Support case where known_SECTION points to a section not listed in sections.

5.5.3

- Fixed 1488: in rare cases isort can mangle `yield from` or `raise from` statements.

5.5.2

- Fixed 1469: --diff option is ignored when input is from stdin.

5.5.1

- Fixed 1454: Ensure indented import sections with import heading and a preceding comment don't cause import sorting loops.
- Fixed 1453: isort error when float to top on almost empty file.
- Fixed 1456 and 1415: noqa comment moved to where flake8 cant see it.
- Fixed 1460: .svn missing from default ignore list.

5.5.0

- Fixed 1398: isort: off comment doesn't work, if it's the top comment in the file.
- Fixed 1395: reverse_relative setting doesn't have any effect when combined with force_sort_within_sections.
- Fixed 1399: --skip can error in the case of projects that contain recursive symlinks.
- Fixed 1389: ensure_newline_before_comments doesn't work if comment is at top of section and sections don't have lines between them.
- Fixed 1396: comments in imports with ";" can keep isort from recognizing import line.
- Fixed 1380: As imports removed when `combine_star` is set.
- Fixed 1382: --float-to-top has no effect if no import is already at the top.
- Fixed 1420: isort never settles on module docstring + add import.
- Fixed 1421: Error raised when repo contains circular symlinks.
- Fixed 1427: noqa comment is moved from star import to constant import.
- Fixed 1444 & 1445: Incorrect placement of import additions.
- Fixed 1447: isort5 throws error when stdin used on Windows with deprecated args.
- Implemented 1397: Added support for specifying config file when using git hook (thanks diseraluca!).
- Implemented 1405: Added support for coloring diff output.
- Implemented 1434: New multi-line grid mode without parentheses.

Goal Zero (Tickets related to aspirational goal of achieving 0 regressions for remaining 5.0.0 lifespan):
- Implemented 1392: Extensive profile testing.
- Implemented 1393: Proprety based testing applied to code snippets.
- Implemented 1391: Create automated integration test that includes full code base of largest OpenSource isort users.

Potentially breaking changes:
- Fixed 1429: --check doesn't print to stderr as the documentation says. This means if you were looking for `ERROR:` messages for files that contain incorrect imports within stdout you will now need to look in stderr.

5.4.2

- Fixed 1383: Known other does not work anymore with .editorconfig.
- Fixed: Regression in first known party path expansion.

5.4.1

- Fixed 1381: --combine-as loses  noqa in different circumstances.

5.4.0

- Implemented 1373: support for length sort only of direct (AKA straight) imports.
- Fixed 1321: --combine-as loses  noqa.
- Fixed 1375: --dont-order-by-type CLI broken.

5.3.2

- Fixed incorrect warning code (W503->W0503).

5.3.1

- Improve upgrade warnings to be less noisy and point to error codes for easy interoperability with Visual Studio Code (see: 1363).

5.3.0

- Implemented ability to treat all or select comments as code (issue 1357)
- Implemented ability to use different configs for different file extensions (issue 1162)
- Implemented ability to specify the types of imports (issue 1181)
- Implemented ability to dedup import headings (issue 953)
- Added experimental support for sorting literals (issue 1358)
- Added experimental support for sorting and deduping groupings of assignments.
- Improved handling of deprecated single line variables for usage with Visual Studio Code (issue 1363)
- Improved handling of mixed newline forms within same source file.
- Improved error handling for known sections.
- Improved API consistency, returning a boolean value for all modification API calls to indicate if changes were made.
- Fixed 1366: spurious errors when combining skip with --gitignore.
- Fixed 1359: --skip-gitignore does not honor ignored symlink

Internal Development:
- Initial hypothesmith powered test to help catch unexpected syntax parsing and output errors (thanks Zac-HD!)

5.2.2

- Fixed 1356: return status when arguments are passed in without files or a content stream.

5.2.1

- Update precommit to default to filtering files that are defined in skip.
- Improved relative path detection for `skip` config usage.
- Added recursive symbolic link protection.
- Implemented 1177: Support for color output using `--color`.
- Implemented recursive symlink detection support.

5.2.0

- Implemented 1335: Official API for diff capturing.
- Implemented 1331: Warn when sections don't match up.
- Implemented 1261: By popular demand, `filter_files` can now be set in the config option.
- Implemented 960: Support for respecting git ignore via "--gitignore" or "skip_gitignore=True".
- Implemented 727: Ability to only add imports if existing imports exist.
- Implemented 970: Support for custom sharable isort profiles.
- Implemented 1214: Added support for git_hook lazy option (Thanks sztamas!)
- Implemented 941: Added an additional `multi_line_output` mode for more compact formatting (Thanks sztamas!)
- Implemented 1020: Option for LOCALFOLDER.
- Implemented 1353: Added support for output formatting plugins.
- ` isort: split` can now be used at the end of an import line.
- Fixed 1339: Extra indent is not preserved when isort:skip is used in nested imports.
- Fixed 1348: `--diff` works incorrectly with files that have CRLF line endings.
- Improved code repositories usage of pylint tags (1350).

5.1.4

- Fixed issue 1333: Use of wrap_length raises an exception about it not being lower or equal to line_length.
- Fixed issue 1330: Ensure stdout can be stubbed dynamically for `show_unified_diff` function.

5.1.3

- Fixed issue 1329: Fix comments duplicated when --fass option is set.

5.1.2

- Fixed issue 1219 / 1326: Comments not wrapped for long lines
- Fixed issue 1156: Bug related to isort:skip usage followed by a multiline comment block

5.1.1

- Fixed issue 1322: Occasionally two extra newlines before comment with `-n` & `--fss`.
- Fixed issue 1189: `--diff` broken when reading from standard input.

5.1.0

- isort now throws an exception if an invalid settings path is given (issue 1174).
- Implemented support for automatic redundant alias removal (issue 1281).
- Implemented experimental support for floating all imports to the top of a file (issue 1228)
- Fixed 1178: support for semicolons in decorators.
- Fixed 1315: Extra newline before comment with -n + --fss.
- Fixed 1192: `-k` or `--keep-direct-and-as-imports` option has been deprecated as it is now always on.

Formatting changes implied:
- Fixed 1280: rewrite of as imports changes the behavior of the imports.

5.0.9

- Fixed 1301: Import headings in nested sections leads to check errors

5.0.8

- Fixed 1277 & 1278: New line detection issues on Windows.
- Fixed 1294: Fix bundled git hook.

5.0.7

- Fixed 1306: unexpected --diff behavior.
- Fixed 1279: Fixed NOQA comment regression.

5.0.6

- Fixed 1302: comments and --trailing-comma can generate invalid code.
- Fixed 1293: extra new line in indented imports, when immediately followed by a comment.
- Fixed 1304: isort 5 no longer recognises `sre_parse` as a stdlib module.
- Fixed 1300: add_imports moves comments following import section.
- Fixed 1276: Fix a bug that creates only one line after triple quotes.

5.0.5

- Fixed 1285: packaging issue with bundling tests via poetry.
- Fixed 1284: Regression when sorting `.pyi` files from CLI using black profile.
- Fixed 1275 & 1283: Blank line after docstring removed.
- Fixed 1298: CLI Help out of date with isort 5.
- Fixed 1290: Unecessary blank lines above nested imports when import comments turned on.
- Fixed 1297: Usage of `--add-imports` alongside `--check` is broken.
- Fixed 1289: Stream usage no longer auto picking up config file from current working directory.
- Fixed 1296: Force_single_line setting removes immediately following comment line.
- Fixed 1295: `ensure_newline_before_comments` doesnt work with `force_sort_within_sections`.
- Setting not_skip will no longer immediately fail but instead give user a warning and direct
 to upgrade docs.

5.0.4

- Fixed 1264: a regression with comment handling and `force_sort_within_sections` config option
- Added warning for deprecated CLI flags and linked to upgrade guide.

5.0.3

- Fixed setup.py command incorrectly passing check=True as a configuration parameter (see: https://github.com/pycqa/isort/issues/1258)
- Fixed missing patch version
- Fixed issue 1253: Atomic fails when passed in not readable output stream

5.0.2

- Ensured black profile was complete, adding missing line_length definition.

5.0.1

- Fixed a runtime error in a vendored dependency (toml).

5.0.0

**Breaking changes:**

- isort now requires Python 3.6+ to run but continues to support formatting on ALL versions of python including
 Python 2 code.
- isort deprecates official support for Python 3.4, removing modules only in this release from known_standard_library:
   - user
- Config files are no longer composed on-top of each-other. Instead the first config file found is used.
 - Since there is no longer composition negative form settings (such as --dont-skip or it's config file variant `not_skip`) are no longer required and have been removed.
- Two-letter shortened setting names (like `ac` for `atomic`) now require two dashes to avoid ambiguity: `--ac`.
- For consistency with other tools `-v` now is shorthand for verbose and `-V` is shorthand for version. See Issue: 1067.
- `length_sort_{section_name}` config usage has been deprecated. Instead `length_sort_sections` list can be used to specify a list of sections that need to be length sorted.
- `safety_excludes` and `unsafe` have been deprecated
- Config now includes as default full set of safety directories defined by safety excludes.
- `--recursive` option has been removed. Directories passed in are now automatically sorted recursive.
- `--apply` option has been removed as it is the default behaviour.
- isort now does nothing, beyond giving instructions and exiting status code 0, when ran with no arguments.
 - a new `--interactive` flag has been added to enable the old style behaviour.
- isort now works on contiguous sections of imports, instead of one whole file at a time.
- ~~isort now formats all nested "as" imports in the "from" form. `import x.y as a` becomes `from x import y as a`.~~ NOTE: This was undone in version 5.1.0 due to feedback it caused issues with some project conventions.
- `keep_direct_and_as_imports` option now defaults to `True`.
- `appdirs` is no longer supported. Unless manually specified, config should be project config only.
- `toml` is now installed as a vendorized module, meaning pyproject.toml based config is always supported.
- Completely new Python API, old version is removed and no longer accessible.
- New module placement logic and module fully replaces old finders. Old approach is still available via `--old-finders`.

Internal:

- isort now utilizes mypy and typing to filter out typing related issues before deployment.
- isort now utilizes black internally to ensure more consistent formatting.

- profile support for common project types (black, django, google, etc)

- Much much more. There is some difficulty in fully capturing the extent of changes in this release - just because of how all encompassing the release is. See: [Github Issues](https://github.com/pycqa/isort/issues?q=is%3Aissue+is%3Aclosed) for more.

4.3.21

- Fixed issue 957 - Long aliases and use_parentheses generates invalid syntax

4.3.20

- Fixed issue 948 - Pipe redirection broken on Python2.7

4.3.19

- Fixed issue 942 - correctly handle pyi (Python Template Files) to match `black` output

Links

• PyPI: https://pypi.org/project/isort
• Changelog: https://pyup.io/changelogs/isort/
• Repo: https://pycqa.github.io/isort/