code: def get_expert_parallel_rng_tracker_name():
      global _EXPERT_PARALLEL_RNG_TRACKER_NAME
      return _EXPERT_PARALLEL_RNG_TRACKER_NAME
  
imports: import contextlib
  import torch
  from torch import _C
  from torch.cuda import _lazy_call
  from torch.cuda import device
  from torch.utils.checkpoint import detach_variable
  from megatron.core.parallel_state import get_data_parallel_rank, get_expert_model_parallel_rank, get_tensor_model_parallel_group, get_tensor_model_parallel_rank, get_tensor_model_parallel_world_size
  from megatron.core.utils import safely_set_viewless_tensor_data
  from .utils import gather_split_1d_tensor, split_tensor_into_1d_equal_chunks
label_desc: Use image node_id 2 for calling a global function with example usage: get_expert_parallel_rng_tracker_name() and returns: _EXPERT_PARALLEL_RNG_TRACKER_NAME