How to use the playsound.utils.chat_formatting.error function in playsound

cf.error("Please only add one sound at a time."))
            return

        url = ""
        filename = ""
        if attach:
            a = attach[0]
            url = a["url"]
            filename = a["filename"]
        elif link:
            url = "".join(link)
            filename = os.path.basename(
                "_".join(url.split()).replace("%20", "_"))
        else:
            await self.bot.reply(
                cf.error("You must provide either a Discord attachment or a"
                         " direct link to a sound."))
            return

        filepath = os.path.join(self.sound_base, server.id, filename)

        if os.path.splitext(filename)[0] in self.list_sounds(server.id):
            await self.bot.reply(
                cf.error("A sound with that filename already exists."
                         " Please change the filename and try again."))
            return

        async with aiohttp.get(url) as new_sound:
            f = open(filepath, "wb")
            f.write(await new_sound.read())
            f.close()

filename = a["filename"]
        elif link:
            url = "".join(link)
            filename = os.path.basename(
                "_".join(url.split()).replace("%20", "_"))
        else:
            await self.bot.reply(
                cf.error("You must provide either a Discord attachment or a"
                         " direct link to a sound."))
            return

        filepath = os.path.join(self.sound_base, server.id, filename)

        if os.path.splitext(filename)[0] in self.list_sounds(server.id):
            await self.bot.reply(
                cf.error("A sound with that filename already exists."
                         " Please change the filename and try again."))
            return

        async with aiohttp.get(url) as new_sound:
            f = open(filepath, "wb")
            f.write(await new_sound.read())
            f.close()

        self.settings[server.id][
            os.path.splitext(filename)[0]] = {"volume": default_volume}
        dataIO.save_json(self.settings_path, self.settings)

        await self.bot.reply(
            cf.info("Sound {} added.".format(os.path.splitext(filename)[0])))

await self.bot.type()

        server = ctx.message.server

        if server.id not in os.listdir(self.sound_base):
            os.makedirs(os.path.join(self.sound_base, server.id))

        if server.id not in self.settings:
            self.settings[server.id] = {}
            dataIO.save_json(self.settings_path, self.settings)

        attach = ctx.message.attachments
        if len(attach) > 1 or (attach and link):
            await self.bot.reply(
                cf.error("Please only add one sound at a time."))
            return

        url = ""
        filename = ""
        if attach:
            a = attach[0]
            url = a["url"]
            filename = a["filename"]
        elif link:
            url = "".join(link)
            filename = os.path.basename(
                "_".join(url.split()).replace("%20", "_"))
        else:
            await self.bot.reply(
                cf.error("You must provide either a Discord attachment or a"
                         " direct link to a sound."))

if server.id not in os.listdir(self.sound_base):
            os.makedirs(os.path.join(self.sound_base, server.id))

        if server.id not in self.settings:
            self.settings[server.id] = {}
            dataIO.save_json(self.settings_path, self.settings)

        f = glob.glob(os.path.join(
            self.sound_base, server.id, soundname + ".*"))
        if len(f) < 1:
            await self.bot.reply(cf.error(
                "Sound file not found. Try `{}allsounds` for a list.".format(
                    ctx.prefix)))
            return
        elif len(f) > 1:
            await self.bot.reply(cf.error(
                "There are {} sound files with the same name, but different"
                " extensions, and I can't deal with it. Please make filenames"
                " (excluding extensions) unique.".format(len(f))))
            return

        soundname = os.path.splitext(os.path.basename(f[0]))[0]
        if soundname in self.settings[server.id]:
            if "volume" in self.settings[server.id][soundname]:
                vol = self.settings[server.id][soundname]["volume"]
            else:
                vol = default_volume
                self.settings[server.id][soundname]["volume"] = vol
                dataIO.save_json(self.settings_path, self.settings)
        else:
            vol = default_volume
            self.settings[server.id][soundname] = {"volume": vol}

server = ctx.message.server

        if server.id not in os.listdir(self.sound_base):
            os.makedirs(os.path.join(self.sound_base, server.id))

        f = glob.glob(os.path.join(self.sound_base, server.id,
                                   soundname + ".*"))

        if len(f) < 1:
            await self.bot.say(cf.error(
                "Sound file not found. Try `{}allsounds` for a list.".format(
                    ctx.prefix)))
            return
        elif len(f) > 1:
            await self.bot.say(cf.error(
                "There are {} sound files with the same name, but different"
                " extensions, and I can't deal with it. Please make filenames"
                " (excluding extensions) unique.".format(len(f))))
            return

        await self.bot.upload(f[0])

async def _playsound(self, ctx: commands.Context, soundname: str):
        """Plays the specified sound."""

        server = ctx.message.server

        if server.id not in os.listdir(self.sound_base):
            os.makedirs(os.path.join(self.sound_base, server.id))

        if server.id not in self.settings:
            self.settings[server.id] = {}
            dataIO.save_json(self.settings_path, self.settings)

        f = glob.glob(os.path.join(
            self.sound_base, server.id, soundname + ".*"))
        if len(f) < 1:
            await self.bot.reply(cf.error(
                "Sound file not found. Try `{}allsounds` for a list.".format(
                    ctx.prefix)))
            return
        elif len(f) > 1:
            await self.bot.reply(cf.error(
                "There are {} sound files with the same name, but different"
                " extensions, and I can't deal with it. Please make filenames"
                " (excluding extensions) unique.".format(len(f))))
            return

        soundname = os.path.splitext(os.path.basename(f[0]))[0]
        if soundname in self.settings[server.id]:
            if "volume" in self.settings[server.id][soundname]:
                vol = self.settings[server.id][soundname]["volume"]
            else:
                vol = default_volume