def set_interval(self, interval):
if type(interval) != float or type(interval) != int:<EOL><INDENT>raise InvalidInput("<STR_LIT>")<EOL><DEDENT>self._config['<STR_LIT>']<EOL>
Set the polling interval for the process thread.

        :param interval: How often to poll the Hottop
        :type interval: int or float
        :returns: None
        :raises: InvalidInput