code: def test_custom_metric_computation_binomial():
      (model, f_test) = binomial_model(
          H2OGradientBoostingEstimator, custom_rmse_mm()
      )
      assert_correct_custom_metric(
          model, f_test, "rmse", "Binomial on prostate"
      )
  
file_path: h2o-3/h2o-py/tests/testdir_algos/gbm/pyunit_custom_metrics_pubdev_5088.py
imports: import sys
  import h2o
  from tests import pyunit_utils
  from tests.pyunit_utils import CustomMaeFunc, CustomRmseFunc, CustomLoglossFunc, assert_correct_custom_metric, regression_model, multinomial_model, binomial_model
  from h2o.estimators.gbm import H2OGradientBoostingEstimator
label_desc: Use image node_id 5 for calling a global function with example usage: test_custom_metric_computation_binomial() without return types