code: def test_defaults():
      oob = BootstrapOutOfBag()
      results = list(oob.split(np.array([1, 2, 3, 4, 5])))
      assert len(results) == 200
  
imports: import numpy
  from mlxtend.evaluate import BootstrapOutOfBag
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_defaults() without return types