code: def get_implementation(cls, force: bool = False) -> AxesHandler:
          
  
          if force or not cls.implementation:
              cls.implementation = import_string(settings.AXES_HANDLER)()
          return cls.implementation
docs: Fetch and initialize configured handler implementation and memoize it to avoid reinitialization.
  
          This method is re-entrant and can be called multiple times from e.g. Django application loader.