code: def __next__(self):
      return get_batch_for_sequence_parallel(self.data_iter)
  
file_path: ColossalAI/examples/tutorial/sequence_parallel/data/bert_helper.py
imports: import torch
  from colossalai.legacy.context import ParallelMode
  from colossalai.legacy.core import global_context
label_desc: Use image node_id 3 for calling the SequenceParallelDataIterator obj's underlying member method code with example usage: obj.__next__() and returns: get_batch_for_sequence_parallel