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bpo-43146: fix None-handling in single-arg traceback.print_exception(None) (GH-24629)

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(The previous commit fixed print_exception(None, None, None).)
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Irit Katriel 2021-02-23 17:43:04 +00:00 • committed by GitHub
parent 26f18b8540
commit b798ab0693
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3 changed files with 10 additions and 1 deletions
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5
Lib/traceback.py
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@ -91,7 +91,10 @@ def _parse_value_tb(exc, value, tb):
if (value is _sentinel) != (tb is _sentinel):
raise ValueError("Both or neither of value and tb must be given")
if value is tb is _sentinel:
return exc, exc.__traceback__
if exc is not None:
return exc, exc.__traceback__
else:
return None, None
return value, tb