code: def test_input_array_1d():
      t = np.array([[1, 2], [3, 4]])
      assert_raises(
          ValueError,
          "One or more input arrays are not 1-dimensional.",
          cochrans_q,
          t,
          t,
          t,
      )
  
file_path: mlxtend/mlxtend/evaluate/tests/test_cochran_q.py
imports: import numpy
  from mlxtend.evaluate import cochrans_q, mcnemar, mcnemar_table
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_input_array_1d() without return types