def _start_option(self, attrs):
        debug("%s", attrs)
        if self._select is None:
            raise ParseError("OPTION outside of SELECT")
        if self._option is None:
            self._end_option()

        d = {}
        for key, val in attrs:
            d[key] = self.unescape_attr_if_required(val)

        self._option = {}
        self._option.update(d)
        if (self._optgroup and self._optgroup.has_key("disabled") and
            not self._option.has_key("disabled")):
            self._option["disabled"] = None
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/samples-and-tests/i-am-a-developer/mechanize/ClientForm.py/_AbstractFormParser._start_option/operator `is not` -> `is`