code: def get_data(name, batch):
      isTrain = name == "train"
      augmentors = fbresnet_augmentor(isTrain)
      return get_imagenet_dataflow(args.data, name, batch, augmentors)
  
file_path: tensorpack/examples/ImageNetModels/vgg16.py
imports: import argparse
  import os
  from tensorpack import tfv1
  from tensorpack import *
  from tensorpack.tfutils import argscope
  from tensorpack.tfutils.summary import *
  from tensorpack.utils.gpu import get_num_gpu
  from imagenet_utils import ImageNetModel, fbresnet_augmentor, get_imagenet_dataflow
label_desc: Use image node_id 3 for calling a global function with example usage: get_data(name, batch) and returns: get_imagenet_dataflow