code: def get_data_parallel_rank(self):
      return self.rank // self.tp_world_size
  
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 4 for calling the MPU obj's underlying member method code with example usage: obj.get_data_parallel_rank() and returns: unknown