command:base: only cleanup UseInterface.storage_callback if it's there.
authorW. Trevor King <wking@tremily.us>
Fri, 24 Aug 2012 13:38:13 +0000 (09:38 -0400)
committerW. Trevor King <wking@tremily.us>
Fri, 24 Aug 2012 13:38:13 +0000 (09:38 -0400)
commit4bf6e87c542c908121ffb7f8ebdd2f836a988899
tree0fe50dbfb328ed346d32cbb1cdf860b738c3ae4e
parent366fc9867645e46406d6a040eb14cabd8a8b45f4
command:base: only cleanup UseInterface.storage_callback if it's there.

It's hard to see why it wouldn't be, but .setup_command handles the
case where it's missing, so we should be consistent here.
libbe/command/base.py