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bpo-40176: Improve error messages for trailing comma on from import (GH-20294)

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Batuhan Taskaya 2020-05-21 23:41:58 +03:00 • committed by GitHub
parent d10fef35c6
commit 72e0aa2fd2
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3 changed files with 220 additions and 151 deletions
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8
Lib/test/test_syntax.py
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@ -641,6 +641,14 @@ SyntaxError: cannot assign to f-string expression
Traceback (most recent call last):
SyntaxError: cannot assign to f-string expression
>>> from t import x,
Traceback (most recent call last):
SyntaxError: trailing comma not allowed without surrounding parentheses
>>> from t import x,y,
Traceback (most recent call last):
SyntaxError: trailing comma not allowed without surrounding parentheses
Corner-cases that used to fail to raise the correct error:
>>> def f(*, x=lambda __debug__:0): pass