def initialization(self) -> None:
    'Initialize ids with `self.register_uniq_ids([...])` and other one-time actions.'
    super().initialization()
    self.register_uniq_ids(['N/A'])
Initialize ids with `self.register_uniq_ids([...])` and other one-time actions.
def initialization(self) -> None:
    
    super().initialization()
    self.register_uniq_ids(['N/A'])