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bpo-43149: Improve error message for exception group without parentheses (GH-24467)

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Pablo Galindo 2021-02-07 18:42:21 +00:00 • committed by GitHub
parent 0ec57e25c9
commit 206cbdab16
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4 changed files with 862 additions and 603 deletions
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33
Lib/test/test_syntax.py
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@ -835,6 +835,39 @@ Make sure that the old "raise X, Y[, Z]" form is gone:
...
SyntaxError: invalid syntax
Check that an exception group with missing parentheses
raise a custom exception
>>> try:
... pass
... except A, B:
... pass
Traceback (most recent call last):
SyntaxError: exception group must be parenthesized
>>> try:
... pass
... except A, B, C:
... pass
Traceback (most recent call last):
SyntaxError: exception group must be parenthesized
>>> try:
... pass
... except A, B, C as blech:
... pass
Traceback (most recent call last):
SyntaxError: exception group must be parenthesized
>>> try:
... pass
... except A, B, C as blech:
... pass
... finally:
... pass
Traceback (most recent call last):
SyntaxError: exception group must be parenthesized
>>> f(a=23, a=234)
Traceback (most recent call last):