[issue7994] object.__format__ should reject format strings

[Roundup Robot]

Roundup Robot added the comment:

New changeset f56b98143792 by R David Murray in branch 'default':
whatsnew: object.__format__ raises TypeError on non-empty string.
http://hg.python.org/cpython/rev/f56b98143792

----------
nosy: +python-dev

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7994>
_______________________________________