code: def model_names(lb):
      return lb[:, 0].as_data_frame().values.flatten()
  
file_path: h2o-3/h2o-py/tests/testdir_algos/automl/pyunit_automl_reruns.py
imports: import os
  import sys
  import h2o
  from h2o.automl import H2OAutoML
  from tests import pyunit_utils
label_desc: Use image node_id 2 for calling a global function with example usage: model_names(lb) and returns: lb