[issue9856] Change object.__format__(s) where s is non-empty to a DeprecationWarning

[Roundup Robot]

Roundup Robot <devnull at devnull> added the comment:

New changeset ee259a4f3eee by Eric V. Smith in branch 'default':
Issue 9856: Change object.__format__ with a non-empty format string from a PendingDeprecationWarning to a DeprecationWarning.
http://hg.python.org/cpython/rev/ee259a4f3eee

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nosy: +python-dev

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<http://bugs.python.org/issue9856>
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