code: def _read_pickle(fname):
      with open(fname, "rb") as f:
          return pickle.load(f)
  
imports: import os.path
  import pickle
  import numpy
  import networkx
  from ...None import logging
  from ...utils.filemanip import split_filename
  from ..base import BaseInterface, BaseInterfaceInputSpec, traits, File, TraitedSpec, InputMultiPath, OutputMultiPath, isdefined
  from .base import have_cmp
label_desc: Use image node_id 1 for calling a global function with example usage: _read_pickle(fname) and returns: pickle