def METHOD_NAME(self):
    """Exits with an error if the timeout is not valid"""
    if self.timeout is None:
        self.timeout = DEFAULT_TIMEOUT
    try:
        self.timeout = int(self.timeout)
        if not 1 <= self.timeout <= 65535:
            end(UNKNOWN, "timeout must be between 1 and 3600 seconds")
    except ValueError:
        end(UNKNOWN, "timeout number must be a whole number between " \
                   + "1 and 3600 seconds")
    if self.verbosity is None:
        self.verbosity = 0