[issue2341] Raise a Py3K warning when raise non-BaseException exceptions

[Brett Cannon]

New submission from Brett Cannon <brett at python.org>:

Raising exceptions that do not inherit from BaseException (e.g., classic
classes) should raise a Py3K warning.

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components: Interpreter Core
keywords: 26backport
messages: 63700
nosy: brett.cannon
priority: immediate
severity: normal
status: open
title: Raise a Py3K warning when raise non-BaseException exceptions
type: behavior
versions: Python 2.6

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue2341>
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