code: def _pre_execution(self, model, calib_dataloader, metric):
      return model, calib_dataloader, metric
  
file_path: BigDL/python/nano/src/bigdl/nano/deps/neural_compressor/core/quantization.py
imports: from bigdl.nano.utils.common import invalidInputError
  from neural_compressor.conf.config import Quantization_Conf
  from neural_compressor.experimental import Quantization, common
label_desc: Use image node_id 3 for calling the BaseQuantization obj's underlying member method code with example usage: obj._pre_execution(model, calib_dataloader, metric) and returns: model,  calib_dataloader,  metric