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used-before-assignment with := in dict node #8125

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cdce8p opened this issue Jan 28, 2023 · 0 comments · Fixed by #8176
Closed

used-before-assignment with := in dict node #8125

cdce8p opened this issue Jan 28, 2023 · 0 comments · Fixed by #8176
Labels
Assignment expression Related to the walrus operator / assignment expression C: used-before-assignment Issues related to 'used-before-assignment' check False Positive 🦟 A message is emitted but nothing is wrong with the code python 3.8
Milestone
2.16.2

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@cdce8p
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cdce8p commented Jan 28, 2023

Bug description

#4828 (comment)

def func(): ...
y = {
    0: x if (x := func()) else "",
}

Configuration

No response

Command used

pylint test.py

Pylint output

test.py:3:7: E0601: Using variable 'x' before assignment (used-before-assignment)

Expected behavior

No error

Pylint version

pylint 2.16.0b1
astroid 2.14.0-dev0
Python 3.11.1

OS / Environment

No response

Additional dependencies

No response
@cdce8p cdce8p added python 3.8 Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling False Positive 🦟 A message is emitted but nothing is wrong with the code Assignment expression Related to the walrus operator / assignment expression C: used-before-assignment Issues related to 'used-before-assignment' check and removed Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling labels Jan 28, 2023
@zenlyj zenlyj mentioned this issue Feb 3, 2023
Merged
@Pierre-Sassoulas Pierre-Sassoulas added this to the 2.16.2 milestone Feb 7, 2023
@LCH-1 LCH-1 mentioned this issue Mar 23, 2023
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Labels
Assignment expression Related to the walrus operator / assignment expression C: used-before-assignment Issues related to 'used-before-assignment' check False Positive 🦟 A message is emitted but nothing is wrong with the code python 3.8
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Milestone
2.16.2
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Fix used-before-assignment false positive for walrus operator in dictionary
2 participants
@Pierre-Sassoulas @cdce8p