code: def test_concatenate_one(model1):
      model = concatenate(model1)
      assert isinstance(model, Model)
  
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 24 for calling a global function with example usage: test_concatenate_one(model1) without return types