docs: def unregister(self, model_or_iterable):
          """
          Remove a model or a list of models from the list of models
          whose comments will be moderated.
  
          Raise ``NotModerated`` if any of the models are not currently
          registered for moderation.
  
          """
          if isinstance(model_or_iterable, ModelBase):
              model_or_iterable = [model_or_iterable]
          for model in model_or_iterable:
              if model not in self._registry:
                  raise NotModerated("The model '%s' is not currently being moderated" % model._meta.module_name)
              del self._registry[model]