def handle_delete_log(self, handle, connection, match, data, hdr):
        """ Delete log session
        """
        if match.group(1) is self.loggers:
            del self.loggers[match.group(1)]
            status = calvinresponse.OK
        else:
            status = calvinresponse.NOT_FOUND
        self.send_response(handle, connection, None, status=status)
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvincontrol.py/CalvinControl.handle_delete_log/operator `in` -> `is`