code: def _arrange_marginals(self, marg):
      return marg[0]
  
file_path: pytorch-struct/torch_struct/helpers.py
imports: import torch
  import math
  from .semirings import LogSemiring
label_desc: Use image node_id 11 for calling the _Struct obj's underlying member method code with example usage: obj._arrange_marginals(marg) and returns: marg