code: def test_namedtuple():
      p = point(1, 2)
      bufs = serialize_object(p)
      canned = pickle.loads(bufs[0])
      assert isinstance(canned, point)
      p2, r = deserialize_object(bufs, globals())
      assert p2.x == p.x
      assert p2.y == p.y
  
imports: import pickle
  from collections import namedtuple
  import pytest
  from ipyparallel import interactive
  from ipyparallel.serialize import deserialize_object, serialize_object
  from ipyparallel.serialize.canning import CannedArray, CannedClass
label_desc: Use image node_id 14 for calling a global function with example usage: test_namedtuple() without return types