code: def pbar(iter, show=True, total: Optional[int] = None):
      return tqdm(iter, total=total) if show else iter
  
file_path: icevision/icevision/utils/utils.py
imports: from icevision.imports import *
label_desc: Use image node_id 9 for calling a global function with example usage: pbar(iter, show, total) and returns: unknown