[docs] [issue20003] Language Ref "raise" doc misssing "from None"
report at bugs.python.org
Tue Dec 17 04:47:53 CET 2013
New submission from rurpy:
In the current (3.3.3 and 3.4dev) Language Reference Manual, the section on the Raise statement fails to mention that the second expression can be None (per PEP-409/415) or the special behavior (suppressing a chained exception) that ensues. Rather it explicitly states it can not be None:
"...the second expression must be another exception class or instance..."
It appears that although the Exceptions section of the Library Reference was updated when PEP-409/415 was implemented, the Language Reference was not.
assignee: docs at python
nosy: docs at python, rurpy2
title: Language Ref "raise" doc misssing "from None"
versions: Python 3.3, Python 3.4
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