Catch UNKOWN state exceptions of VMs

src/client.py

@@ -157,14 +157,17 @@ class Client:
                 group_name, vm_name.name, expand="instanceView"
             )
 
-            # get vm power state
-            vm_power_state = (
-                status for status in vm.instance_view.statuses
-                if status.code.startswith("PowerState")
-            ).next().code
-
-            if(vm_power_state == "PowerState/running"):
-                running_virtual_machines.append(vm)
+            try:
+                # get vm power state
+                vm_power_state = (
+                    status for status in vm.instance_view.statuses
+                    if status.code.startswith("PowerState")
+                ).next().code
+
+                if(vm_power_state == "PowerState/running"):
+                    running_virtual_machines.append(vm)
+            except:
+                pass
 
         return running_virtual_machines