code: def after_pred_iter(self, runner):
      if self._is_rank_zero(runner):
          print("\r Predict batch_idx: {%d}" % runner.batch_idx, end="")
  
file_path: BigDL/python/orca/src/bigdl/orca/learn/pytorch/callbacks/tqdm.py
imports: from bigdl.orca.learn.pytorch.callbacks import Callback
  from bigdl.dllib.utils.log4Error import invalidInputError
label_desc: Use image node_id 6 for calling the TqdmCallback obj's underlying member method code with example usage: obj.after_pred_iter(runner) without return types