added attribute conn

app_utils/conf.py

@@ -66,6 +66,7 @@ class TortoiseConfig(PersistentSettings):
     AR_CHECKPOINT: str = "."
     DIFF_CHECKPOINT: str = "."
     LOW_VRAM: bool = True
+    conn: sqlite3.Connection = None
 
     def __init__(self, **data: Any):
         super().__init__(**data)