diff --git a/pb.py b/pb.py
index 501a350..9213bbf 100644
--- a/pb.py
+++ b/pb.py
@@ -167,6 +167,7 @@ def _normalize_schema(schema):
                     fields[int(fid)] = fs
                     names[name] = int(fid)
                 else:
+                    print("item=",item, "alt=",alt)
                     raise ValueError("unsupported tuple length in oneof alternative")
             continue
 
diff --git a/service.py b/service.py
index 4024ae9..1623808 100644
--- a/service.py
+++ b/service.py
@@ -116,7 +116,7 @@ class MeshMultiListener(MeshArgsParse):
                 logger.info(str(device), " device will reconnect")
                 device.state = RECONNECT
             finally:
-                await self.device.close()
+                await device.close()
 
 class MeshApi(MeshArgsParse):
     app: FastAPI