docs: def _attach_to_model(self, model):
          """
          Check that the model can handle dynamic fields
          """
          if not issubclass(model, ModelWithDynamicFieldMixin):
              raise ImplementationError(
                  'The "%s" model does not inherit from ModelWithDynamicFieldMixin '
                  'so the "%s" DynamicField cannot be attached to it' % (
                  model.__name__, self.name))
  
          super(DynamicFieldMixin, self)._attach_to_model(model)
  
          if self.dynamic_version_of is not None:
              return
  
          if hasattr(model, self.name):
              return
  
          setattr(model, self.name, self)