code: def publish(self, value):
      assert self.root
      self.pub.send_multipart(self.serialize(value))
  
imports: import re
  import socket
  from functools import reduce
  import zmq
  from ipyparallel.serialize import deserialize_object, serialize_object
  from ipyparallel.util import disambiguate_url
label_desc: Use image node_id 7 for calling the BinaryTreeCommunicator obj's underlying member method code with example usage: obj.publish(value) without return types