'Set the output as human format.
If the optional parameter `on` is False, the timestamps format
will be reset to the default format.'

def set_human_format(self, on=True):

    global human_timestamp_log
    human_timestamp_log = bool(on)
    for handler in self.handlers:
        if isinstance(handler, BrokHandler):
            continue
        if (self.name is not None):
            handler.setFormatter(((human_timestamp_log and humanFormatter_named) or defaultFormatter_named))
        else:
            handler.setFormatter(((human_timestamp_log and humanFormatter) or defaultFormatter))
