code: def pubdev_5334():
      """
      This pyunit test is used to make sure that the parameter col_sample_rate_change_per_level is set
      correctly > 0.0 and <= 2.  Another other setting will bring an error.
      """
      iris = h2o.import_file(
          path=pyunit_utils.locate("smalldata/iris/iris2.csv")
      )
      tval = random.uniform(-3, 3)
      print("col_sample_rate_change_per_level is {0}".format(tval))
      try:
          model = H2ORandomForestEstimator(
              ntrees=5,
              max_depth=3,
              col_sample_rate_change_per_level=tval,
          )
          model.train(y=4, x=list(range(4)), training_frame=iris)
          if tval > 0 and tval <= 2:
              print(
                  "col_sample_rate_change_per_level is set correctly."
              )
          else:
              exit(1)
      except:
          if tval <= 0 or tval > 2:
              print(
                  "An error has been thrown: col_sample_rate_change_per_level must be > 0 and <= 2.0."
              )
          else:
              exit(1)
  
imports: import sys
  import h2o
  from tests import pyunit_utils
  import random
  from h2o.estimators.random_forest import H2ORandomForestEstimator
label_desc: Use image node_id 1 for calling a global function with example usage: pubdev_5334() without return types