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[codex] Add walrus allow-redefinition test #21660

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[codex] Add walrus allow-redefinition test #21660

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3092e4c
Add walrus allow-redefinition test
EltonChang1 Jun 30, 2026
aeba7cc
Potential fix for pull request finding
EltonChang1 Jun 30, 2026
cf52653
Fix walrus comprehension test expectation
EltonChang1 Jun 30, 2026
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13 changes: 13 additions & 0 deletions test-data/unit/check-redefine2.test
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Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,19 @@ def f3() -> None:
reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"
reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"

[case testNewRedefineAssignmentExpressionComprehensions]
# flags: --allow-redefinition
def f() -> None:
x = 0
xs = [x := "" for _ in [0]]
reveal_type(xs) # N: Revealed type is "builtins.list[builtins.str]"
reveal_type(x) # N: Revealed type is "builtins.int"

x = 1.0
reveal_type(x) # N: Revealed type is "builtins.float"

[builtins fixtures/list.pyi]

[case testNewRedefineOperatorAssignment]
# flags: --allow-redefinition
class D: pass
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