code: def _local_scatter(inp, pos):
      inp_buf = torch.index_select(inp, 0, pos)
      return inp_buf
  
imports: import torch
  from torch.autograd import Function
  import fmoe_cuda
  from .utils import get_torch_default_comm
  from torch._utils import _flatten_dense_tensors, _unflatten_dense_tensors
  from copy import deepcopy
label_desc: Use image node_id 4 for calling a global function with example usage: _local_scatter(inp, pos) and returns: inp_buf