code: def test_tuple():
      tup = (lambda x: x, 1)
      bufs = serialize_object(tup)
      canned = pickle.loads(bufs[0])
      assert isinstance(canned, tuple)
      t2, r = deserialize_object(bufs)
      assert t2[0](t2[1]) == tup[0](tup[1])
  
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 13 for calling a global function with example usage: test_tuple() without return types