I have a simple setup. Machine is a node. going to deploy from iscsi on thenetwork but dont get that far.  I installed 3.6 sixth beta release node iso on a machine. IP adress is setup. Then I try to deploy hosted engine over ssh. I input a local http url of the centos 7 iso  and hit Deploy.

The tui stops and I get:

An error appeared in the UI: AttributeError("'TransactionProgressDialog' object has no attribute 'event'",)
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