code: def __next__(self):
      return self.next()
  
file_path: DALI/docs/examples/use_cases/mxnet/resnetn/common/data.py
imports: import mxnet
  import random
  from mxnet.io import DataBatch, DataIter
  import numpy
label_desc: Use image node_id 6 for calling the SyntheticDataIter obj's underlying member method code with example usage: obj.__next__() and returns: self