code: def __init__(self, frame_mode=False):
      SingleDataParallelTrainer.__init__(self, frame_mode)
  
imports: import pytest
  import cntk
  import numpy
  import sys, os
  import argparse
  import re
  import platform
  from distributed_learner_test import mpiexec_execute
  from bmuf_metrics_aggregation_test import get_minibatch
label_desc: Use image node_id 1 to create a new TwoDataParallelTrainer object from inherited base classes: SingleDataParallelTrainer with example: obj = TwoDataParallelTrainer(frame_mode)