OpenIndiana Distribution

Please add the steps to reproduce it.

Steps to reproduce:
1. Open Package Manager
2. Push "Updates" button, after checking updates, package manager won't find any update
3. Press "Close" button
4. Bang, we have crash:

Error details:
Traceback (most recent call last):
File "/usr/lib/python2.6/vendor-packages/pkg/gui/installupdate.py", line 580, in __on_cancelcreateplan_clicked
if self.api_o.can_be_canceled() and self.operations_done_ex == False:
AttributeError: 'InstallUpdate' object has no attribute 'api_o'

List of configured publishers:
P O openindiana.org (http://pkg.openindiana.org/dev/)
E O kdeips-dev (http://solaris.bionicmutton.org/pkg/4.5.3/)
E O opensolaris.org (http://pkg.opensolaris.org/dev/)

pkg version:
552262a56a9a