code: def test_tuplify_initialize(nI, nO):
      linear = Linear(nO)
      model = tuplify(linear, linear)
      ones = numpy.ones((1, nI), dtype="float")
      model.initialize(X=ones)
  
imports: import numpy
  import pytest
  from numpy.testing import assert_allclose
  from thinc.api import Dropout, Linear, Model, NumpyOps, add, clone, concatenate, map_list, noop
  from thinc.layers import chain, tuplify
label_desc: Use image node_id 13 for calling a global function with example usage: test_tuplify_initialize(nI, nO) without return types