code: def fix_py_result_for_older_lifelines(df):
      one_more_line = 50 == len(df.index)
      if one_more_line:
          print("droping first line")
          return df.drop(df.index[0:1]).reset_index(drop=True)
      else:
          return df
  
file_path: h2o-3/h2o-py/tests/testdir_algos/coxph/pyunit_coxph_concordance_survival.py
imports: import sys
  import h2o
  from lifelines import CoxPHFitter
  from lifelines.datasets import load_rossi
  from pandas.testing import assert_frame_equal
  from tests import pyunit_utils
  from h2o.estimators.coxph import H2OCoxProportionalHazardsEstimator
label_desc: Use image node_id 4 for calling a global function with example usage: fix_py_result_for_older_lifelines(df) and returns: df, df