async def unpinChatMessage(self, chat_id):
        """ See: https://core.telegram.org/bots/api#unpinchatmessage """
        p = _strip(locals())
        return await self._api_request('unpinChatMessage', _rectify(p))
async def unpinChatMessage ( self , chat_id ) : p = _strip ( locals ( ) ) return await self . _api_request ( 'unpinChatMessage' , _rectify ( p ) )
See: https://core.telegram.org/bots/api#unpinchatmessage