fixing exception in capsul detail

capsulflask/console.py

@@ -160,6 +160,8 @@ def detail(id):
       vm["state"] = vm_from_virt_model.state
       if needs_ssh_host_keys:
         vm["ssh_host_keys"] = vm_from_virt_model.ssh_host_keys
+    else:
+      vm["state"] = "unknown"
 
     if vm["state"] == "running" and not vm["ipv4"]:
       vm["state"] = "starting"