@staticmethod
def prepare_arguments(previous_args=None, time_factor=1.0):
    """Build argument tuple, to be passed to low level function."""
    if previous_args is None:
        return 10000000,
    else:
        try:
            return int(previous_args[0] * time_factor),
        except OverflowError:
            return previous_args[0] * 10,
