first com2

dto/users.py

@@ -1,7 +1,14 @@
 from dataclasses import dataclass
+from typing import Optional
 
 
 @dataclass
 class NewUserDTO:
     id: int
     referal: int
+
+
+@dataclass
+class TicketCreator:
+    id: int
+    username: Optional[str] = None