code: def test_pav_trivial():
      X = np.array([0.1, 0.2, 0.3])
      y = np.array([0.1, 0.2, 0.3])
      w = np.array([1.0, 1.0, 1.0])
      test_pav(y, X, w)
  
file_path: h2o-3/h2o-py/tests/testdir_algos/isotonic/pyunit_pava.py
imports: import sys
  from tests import pyunit_utils
  import numpy
  from pandas.testing import assert_frame_equal
  from sklearn.datasets import make_regression
  from sklearn.isotonic import IsotonicRegression
  from h2o import H2OFrame
  from h2o.expr import ExprNode
label_desc: Use image node_id 5 for calling a global function with example usage: test_pav_trivial() without return types