Fix join applications for public chats

pyrogram/types/user_and_chats/chat_invite_link.py

@@ -18,6 +18,7 @@
 
 from datetime import datetime
 from typing import Dict
+from typing import Optional
 
 import pyrogram
 from pyrogram import raw, utils
@@ -103,7 +104,10 @@ class ChatInviteLink(Object):
         client: "pyrogram.Client",
         invite: "raw.base.ExportedChatInvite",
         users: Dict[int, "raw.types.User"] = None
-    ) -> "ChatInviteLink":
+    ) -> Optional["ChatInviteLink"]:
+        if not isinstance(invite, raw.types.ChatInviteExported):
+            return None
+
         creator = (
             types.User._parse(client, users[invite.admin_id])
             if users is not None