build(deps-dev): bump black from 20.8b1 to 21.4b2

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---

Bumps black from 20.8b1 to 21.4b2.

Release notes

Sourced from black's releases.

21.4b2

Black

• Fix crash if the user configuration directory is inaccessible. (#2158)

• Clarify circumstances in which Black may change the AST (#2159)

Packaging

• Install primer.json (used by black-primer by default) with black. (#2154)

21.4b1

Black

• Fix crash on docstrings ending with "\ ". (#2142)

• Fix crash when atypical whitespace is cleaned out of dostrings (#2120)

• Reflect the --skip-magic-trailing-comma and --experimental-string-processing flags in the name of the cache file. Without this fix, changes in these flags would not take effect if the cache had already been populated. (#2131)

• Don't remove necessary parentheses from assignment expression containing assert / return statements. (#2143)

Packaging

• Bump pathspec to >= 0.8.1 to solve invalid .gitignore exclusion handling

21.4b0

Black

• Fixed a rare but annoying formatting instability created by the combination of optional trailing commas inserted by Black and optional parentheses looking at pre-existing "magic" trailing commas. This fixes issue #1629 and all of its many many duplicates. (#2126)

• Black now processes one-line docstrings by stripping leading and trailing spaces, and adding a padding space when needed to break up """". (#1740)

• Black now cleans up leading non-breaking spaces in comments (#2092)

• Black now respects --skip-string-normalization when normalizing multiline docstring quotes (#1637)

• Black no longer removes all empty lines between non-function code and decorators when formatting typing stubs. Now Black enforces a single empty line. (#1646)

... (truncated)

Changelog

Sourced from black's changelog.

21.4b2

Black

• Fix crash if the user configuration directory is inaccessible. (#2158)

• Clarify circumstances in which Black may change the AST (#2159)

Packaging

• Install primer.json (used by black-primer by default) with black. (#2154)

21.4b1

Black

• Fix crash on docstrings ending with "\ ". (#2142)

• Fix crash when atypical whitespace is cleaned out of dostrings (#2120)

• Reflect the --skip-magic-trailing-comma and --experimental-string-processing flags in the name of the cache file. Without this fix, changes in these flags would not take effect if the cache had already been populated. (#2131)

• Don't remove necessary parentheses from assignment expression containing assert / return statements. (#2143)

Packaging

• Bump pathspec to >= 0.8.1 to solve invalid .gitignore exclusion handling

21.4b0

Black

• Fixed a rare but annoying formatting instability created by the combination of optional trailing commas inserted by Black and optional parentheses looking at pre-existing "magic" trailing commas. This fixes issue #1629 and all of its many many duplicates. (#2126)

• Black now processes one-line docstrings by stripping leading and trailing spaces, and adding a padding space when needed to break up """". (#1740)

• Black now cleans up leading non-breaking spaces in comments (#2092)

• Black now respects --skip-string-normalization when normalizing multiline docstring quotes (#1637)

... (truncated)

Commits

• See full diff in compare view

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[github-actions]

Unit Test Results

  1 files  ±0  1 suites  ±0   1s ⏱️ ±0s
10 tests ±0  9 ✔️ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit b8807e3. ± Comparison against base commit d3f6509.