code: def test_fail_ci():
      msg = "ci must be in range (0, 1)"
      assert_raises(
          AttributeError,
          msg,
          bootstrap,
          np.array([1, 2, 3]),
          np.mean,
          1000,
          95,
      )
  
imports: import numpy
  from mlxtend.evaluate import bootstrap
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 2 for calling a global function with example usage: test_fail_ci() without return types