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Avoid reporting superfluous-parens after an is not operator #6451

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merged 3 commits into from
Apr 27, 2022

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timmartin
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Type of Changes

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βœ“ πŸ› Bug fix

Description

The superfluous-parens checker was incorrectly reporting that parentheses after an is not expression were superfluous. The checker seemed to be assuming that any expression prefixed with not was a unary expression and not part of a larger expression that might need parentheses for correctness.

Closes #5930

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coveralls commented Apr 24, 2022

Pull Request Test Coverage Report for Build 2234763611

  • 6 of 6 (100.0%) changed or added relevant lines in 1 file are covered.
  • 252 unchanged lines in 18 files lost coverage.
  • Overall coverage decreased (-0.02%) to 95.12%

Files with Coverage Reduction New Missed Lines %
pylint/checkers/newstyle.py 1 96.15%
pylint/extensions/private_import.py 1 99.15%
pylint/lint/run.py 1 83.96%
pylint/checkers/design_analysis.py 2 98.9%
pylint/checkers/utils.py 2 95.76%
pylint/checkers/exceptions.py 5 97.7%
pylint/checkers/logging.py 8 94.29%
pylint/reporters/text.py 8 85.61%
pylint/checkers/base_checker.py 11 90.0%
pylint/checkers/format.py 11 96.21%
Totals Coverage Status
Change from base Build 2215661832: -0.02%
Covered Lines: 15749
Relevant Lines: 16557

πŸ’› - Coveralls

@Pierre-Sassoulas Pierre-Sassoulas added this to the 2.14.0 milestone Apr 24, 2022
@Pierre-Sassoulas Pierre-Sassoulas added Bug πŸͺ² False Positive 🦟 A message is emitted but nothing is wrong with the code Needs backport Needs to be cherry-picked on the current patch version by a pylint's maintainer labels Apr 24, 2022
@Pierre-Sassoulas Pierre-Sassoulas modified the milestones: 2.14.0, 2.13.8 Apr 25, 2022
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@Pierre-Sassoulas Pierre-Sassoulas left a comment

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LGTM

@jacobtylerwalls jacobtylerwalls merged commit 0e35511 into pylint-dev:main Apr 27, 2022
@Pierre-Sassoulas Pierre-Sassoulas added Backported and removed Needs backport Needs to be cherry-picked on the current patch version by a pylint's maintainer labels May 2, 2022
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superfluous-parens false positive for is not tests
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