except section try to access qmemman_client variable - make it defined at that stage.
@@ -867,6 +867,7 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
pre_event=True,
start_guid=start_guid, mem_required=mem_required)
+ qmemman_client = None
try:
yield from self.storage.verify()