docstr: Return the broadcasted value
          
docstr_tok: ["Return","the","broadcasted","value"]
code: def value(self):
      """Return the broadcasted value"""
      if not hasattr(self, "_value") and self._path is not None:
          self._value = self._load(self._path)
      return self._value
  
file_path: BigDL/python/dllib/src/bigdl/dllib/models/utils/model_broadcast.py
imports: import os
  import sys
  import gc
  from tempfile import NamedTemporaryFile
  from pyspark.broadcast import Broadcast
  from pyspark.broadcast import _from_id
  from bigdl.dllib.nn.layer import Model
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 4 for calling the ModelBroadcast obj's underlying member method code with example usage: obj.value() and returns: self