Until a while ago, ubiquity did not call apport any more, so we rather had the opposite problem of the apport GUI not appearing in only-ubiquity mode. I fixed that recently, see bug 712677.
The current code calls
self.previous_excepthook(exctype, excvalue, exctb)
which is the apport one if apport is installed. So I think this is fixed now.
Until a while ago, ubiquity did not call apport any more, so we rather had the opposite problem of the apport GUI not appearing in only-ubiquity mode. I fixed that recently, see bug 712677.
The current code calls
self. previous_ excepthook( exctype, excvalue, exctb)
which is the apport one if apport is installed. So I think this is fixed now.