def addHandler(self, hdlr):
        """
        Add the specified handler to this logger.
        """
        _acquireLock()
        try:
            if not (self.handlers in hdlr):
                self.handlers.append(hdlr)
        finally:
            _releaseLock()
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/logging/__init__.py/Logger.addHandler/swapped operands of `in`