fix error

lib/seed.py

@@ -158,7 +158,7 @@ def create_metaservice_test_users():
         user = get_user_model().objects.filter(phone_number=2101).get()
         ticket_list = TicketList.objects.get(pk=2103)
 
-        ticket, created = Ticket.objects.create(
+        ticket, created = Ticket.objects.get_or_create(
             title=f"Создание тестовых пользователей",
             ticket_list=ticket_list,
             ticket_type=1,  # ST_REQUEST