[issue23479] str.format() breaks object duck typing

[R. David Murray]

R. David Murray added the comment:

This is an intentional change.  See issue 7994 for the motivation.  This was mentioned in the whatsnew documentation for 3.4.

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nosy: +r.david.murray
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23479>
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