code: def get_model_parallel_group(self):
      return self.tp_group
  
file_path: DeepSpeed/tests/unit/moe/test_moe_tp.py
imports: import torch
  import deepspeed
  import pytest
  from unit.common import DistributedTest
  from deepspeed.runtime.utils import required_torch_version
  from deepspeed.moe.layer import MoE
label_desc: Use image node_id 7 for calling the MPU obj's underlying member method code with example usage: obj.get_model_parallel_group() and returns: self