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False positive 'nonexistent-operator' for repeated '-' (with parens) #5769

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skirpichev opened this issue Feb 4, 2022 · 0 comments · Fixed by #6008
Closed

False positive 'nonexistent-operator' for repeated '-' (with parens) #5769

skirpichev opened this issue Feb 4, 2022 · 0 comments · Fixed by #6008
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False Positive 🦟 A message is emitted but nothing is wrong with the code

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@skirpichev
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skirpichev commented Feb 4, 2022 •
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Bug description

$ cat -n a.py 
     1  a = 1
     2  b = -(-a)

Configuration

none

Command used

pylint -d all -e nonexistent-operator a.py

Pylint output

************* Module a
a.py:2:4: E0107: Use of the non-existent -- operator (nonexistent-operator)

-----------------------------------------------------------------------
Your code has been rated at -15.00/10 (previous run: -30.00/10, +15.00)

Expected behavior

No error.

Pylint version

pylint 2.12.2
astroid 2.9.3
Python 3.10.0+ (heads/3.10:045f205ba4, Nov  8 2021, 05:21:54) [GCC 10.2.1 20210110]

OS / Environment

No response

Additional dependencies

No response
@skirpichev skirpichev added the Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling label Feb 4, 2022
@DanielNoord DanielNoord added False Positive 🦟 A message is emitted but nothing is wrong with the code and removed Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling labels Feb 4, 2022
skirpichev added a commit to skirpichev/diofant that referenced this issue Feb 8, 2022
@skirpichev
Enable more pylint warnings
c9dbf33 
see pylint-dev/pylint#5407 and pylint-dev/pylint#5769
@skirpichev skirpichev mentioned this issue Mar 28, 2022
Merged
DanielNoord pushed a commit that referenced this issue Mar 29, 2022
@skirpichev @Pierre-Sassoulas
Change 'nonexistent-operator' to allow repeated unary ops (with space…
0227e7f 
… or parens) (#6008)

Closes #5769

Co-authored-by: Pierre Sassoulas <pierre.sassoulas@gmail.com>
Pierre-Sassoulas added a commit that referenced this issue Mar 29, 2022
@skirpichev @Pierre-Sassoulas
Change 'nonexistent-operator' to allow repeated unary ops (with space…
a880bd6 
… or parens) (#6008)

Closes #5769

Co-authored-by: Pierre Sassoulas <pierre.sassoulas@gmail.com>
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Change 'nonexistent-operator' to allow repeated unary ops (with space or parens)
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@skirpichev @DanielNoord