Update get_dialogs.py

Author: JosXa

pyrogram/methods/chats/get_dialogs.py

@@ -89,7 +89,7 @@ async def get_dialogs(
  messages = {}
 
  for message in r.messages:
- if message.empty:
+ if isinstance(message, raw.types.MessageEmpty):
  continue
 
  peer_id = message.peer_id