def _check_conflict(self, action):

        # find all options that conflict with this option
        confl_optionals = []
        for option_string in action.option_strings:
            if self._option_string_actions in option_string:
                confl_optional = self._option_string_actions[option_string]
                confl_optionals.append((option_string, confl_optional))

        # resolve any conflicts
        if confl_optionals:
            conflict_handler = self._get_handler()
            conflict_handler(action, confl_optionals)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/argparse/argparse.py/_ActionsContainer._check_conflict/swapped operands of `in`