code: def get_model_info(self):
          '''
          :return: dictionary of information about this model
          '''
          info = {}
          info['model_name'] = self.name
          info['stages'] = '->'.join([repr(s) for s in self._stages])
          info['sequence'] = {
              'index': self._current_index
          }
          return inff get_model_info(self):
          '''
          :return: dictionary of information about this model
          '''
          info = {}
          info['model_name'] = self.name
          info['stages'] = '->'.join([repr(s) for s in self._stages])
          info['sequence'] = {
              'index': self._current_index
          }
          return info
docs: :return: dictionary of information about this model