<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 async def _check_perm(self, session) -> bool: """ Check if the session has sufficient permission to call the command. :param session: CommandSession object :return: the session has the permission """

        return await perm.check_permission(session.bot, session.ctx,
                                           self.permission)