Create a relationship between services and tokens

app/dao/services_dao.py

@@ -7,6 +7,7 @@ from app.models import (Service, User)
 
 
 def save_model_service(service, update_dict=None):
+    print(update_dict)
     users_list = update_dict.get('users', []) if update_dict else getattr(service, 'users', [])
     if not users_list:
         error_msg = {'users': ['Missing data for required attribute']}