class_docstr: A dummy socket implementing (part of) the zmq.Socket interface.
code: def _context_default(self):
      return zmq.Context()
  
file_path: catboost/contrib/python/ipykernel/py3/ipykernel/inprocess/socket.py
imports: from queue import Queue
  import zmq
  from traitlets import HasTraits, Instance, Int
label_desc: Use image node_id 1 for calling the DummySocket obj's underlying member method code with example usage: obj._context_default() and returns: zmq