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bpo-36817: Do not decrement reference for expr_text on fstring = parsing failure (GH-13256)

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Pablo Galindo 2019-05-12 01:43:04 +01:00 committed by GitHub
parent 5833e94d86
commit 26f55c29f2
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2 changed files with 2 additions and 1 deletions
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2
Lib/test/test_fstring.py
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@ -1148,6 +1148,8 @@ non-important content
self.assertEqual(f'{C()=:x}', 'C()=FORMAT-x') self.assertEqual(f'{C()=:x}', 'C()=FORMAT-x')
self.assertEqual(f'{C()=!r:*^20}', 'C()=********REPR********') self.assertEqual(f'{C()=!r:*^20}', 'C()=********REPR********')
self.assertRaises(SyntaxError, eval, "f'{C=]'")
def test_walrus(self): def test_walrus(self):
x = 20 x = 20
# This isn't an assignment expression, it's 'x', with a format # This isn't an assignment expression, it's 'x', with a format

1
Python/ast.c
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@ -5283,7 +5283,6 @@ unexpected_end_of_string:
/* Falls through to error. */ /* Falls through to error. */
error: error:
Py_XDECREF(expr_text);
return -1; return -1;
} }