Update main.py

main.py

@@ -186,7 +186,7 @@ async def sms_posts(instance: ResultItem, idx: str = None, action: str = "add")
         try:
             if checker:
                 if action == "delete":
-                    await session.delete(instance)  # Asynchronous
+                    await session.delete(existing)  # Asynchronous
                     await session.commit()                    
                 else:  # add or update use add
                     session.add(instance)  # Not asynchronous