diff --git a/apps/cubes/cube.py b/apps/cubes/cube.py
index d000b29..e8f44be 100644
--- a/apps/cubes/cube.py
+++ b/apps/cubes/cube.py
@@ -1,9 +1,8 @@
-import json
 import logging
 import sys
 from enum import Enum
 from pathlib import Path
-from typing import Annotated, Literal, Optional, TypedDict
+from typing import Literal, Optional
 
 from appdaemon.plugins.hass.hassapi import Hass
 from appdaemon.plugins.mqtt.mqttapi import Mqtt
@@ -59,7 +58,7 @@ class MQTTResponse(BaseModel):
 class CallbackEntry(BaseModel):
     entity: str
     event: Optional[str] = None
-    type: str
+    type: Literal['state', 'event']
     kwargs: str
     function: str
     name: str
@@ -67,10 +66,6 @@ class CallbackEntry(BaseModel):
     pin_thread: int
 
 
-class Callbacks(TypedDict):
-    pass
-
-
 Callbacks = dict[str, dict[str, CallbackEntry]]
 
 
@@ -94,10 +89,11 @@ class AqaraCube(Hass, Mqtt):
 
     def callbacks(self) -> dict[str, CallbackEntry]:
         data = TypeAdapter(Callbacks).validate_python(self.get_callback_entries())
+        name: str = self.name
         try:
-            return data[self.name]
+            return data[name]
         except KeyError:
-            return []
+            return
 
     def handle_event(self, event_name, data, cb_args):
         data = MQTTResponse.model_validate(data)