[issue19165] Change formatter warning to DeprecationWarning in 3.5

[Brett Cannon]

Changes by Brett Cannon <brett at python.org>:


----------
assignee: brett.cannon
components: Library (Lib)
nosy: brett.cannon
priority: normal
severity: normal
status: open
title: Change formatter warning to DeprecationWarning in 3.5
versions: Python 3.5

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19165>
_______________________________________