code: def forward_step(self, *inputs, **kwargs):
      return self.model(*inputs, **kwargs)
  
file_path: BigDL/python/nano/src/bigdl/nano/pytorch/model.py
imports: import torch
  from bigdl.nano.pytorch.lightning import LightningModule
  from bigdl.nano.utils.common import invalidInputError
  from bigdl.nano.utils.common import AcceleratedModel
  import numpy
  from typing import Sequence
label_desc: Use image node_id 5 for calling the AcceleratedLightningModule obj's underlying member method code with example usage: obj.forward_step() and returns: self