cpx = m.get_engine().get_cplex()

status = cpx.parameters.tune_problem()
if status == cpx.parameters.tuning_status.completed:
    print("tuned parameters:")
    for param, value in cpx.parameters.get_changed():
        print("{0}: {1}".format(repr(param), value))
else:
    print("tuning status was: {0}".format(
        cpx.parameters.tuning_status[status]))