def die(msg, errlvl=1, prefix="Error: "):
    stderr("%s%s\n" % (prefix, msg))
    sys.exit(errlvl)
Function to load the decision function (DataSet) 
dataset/ETHPy150Open 0k/shyaml/shyaml.py/die--crossover with--dataset/ETHPy150Open pivotalsoftware/pymadlib/pymadlib/pyroc.py/load_decision_function