code: def get_model_class(self):
          
          if getattr(self, 'model', None):
              return self.model
          elif getattr(self, 'object', None):
              return self.object.__class__
          elif 'app' in self.kwargs and 'model' in self.kwargs:
              return apps.get_model(self.kwargs.get('app'), self.kwargs.get('model'))
          elif hasattr(self, 'get_queryset'):
              return self.get_queryset().model
          else:
              return None
docs: Get model class