# Buggy code
async def _playlist_check(self, ctx: commands.Context):
    if not self._player_check(ctx):
        if self._connection_aborted:
            msg = _("Connection to Lavalink has failed.")
            if await ctx.bot.is_owner(ctx.author):
                msg += " " + _("Please check your console or logs for details.")
            await self._embed_msg(ctx, msg)
            return False
        try:
            if (
                not ctx.author.voice.channel.permissions_for(ctx.me).connect
                or not ctx.author.voice.channel.permissions_for(ctx.me).move_members
                and userlimit(ctx.author.voice.channel)
            ):
                await self._embed_msg(
                    ctx, _("I don't have permission to connect to your channel.")
                )
                return False
            await lavalink.connect(ctx.author.voice.channel)
            player = lavalink.get_player(ctx.guild.id)
            player.store("connect", datetime.datetime.utcnow())
        except IndexError:
            await self._embed_msg(
                ctx, _("Connection to Lavalink has not yet been established.")
            )
            return False
        except AttributeError:
            await self._embed_msg(ctx, _("Connect to a voice channel first."))
            return False

    player = lavalink.get_player(ctx.guild.id)
    player.store("channel", ctx.channel.id)
    player.store("guild", ctx.guild.id)
    if (
        not ctx.author.voice or ctx.author.voice.channel != player.channel
    ) and not await self._can_instaskip(ctx, ctx.author):
        await self._embed_msg(
            ctx, _("You must be in the voice channel to use the playlist command.")
        )
        return False
    await self._eq_check(ctx, player)
    await self._data_check(ctx)
    return True


# Traceback (RuntimeError)
Traceback (most recent call last):
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/discord/ext/commands/core.py", line 79, in wrapped
ret = await coro(*args, **kwargs)
File "/home/martinebots/martinebotscogs/cogs_modified/audio/audio.py", line 3183, in play
await self._enqueue_tracks(ctx, query)
File "/home/martinebots/martinebotscogs/cogs_modified/audio/audio.py", line 3885, in _enqueue_tracks
result, called_api = await self.music_cache.lavalink_query(ctx, player, query)
File "/home/martinebots/martinebotscogs/cogs_modified/audio/apis.py", line 911, in lavalink_query
results = await player.load_tracks(query)
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/lavalink/rest_api.py", line 300, in load_tracks
self.__check_node_ready()
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/lavalink/rest_api.py", line 268, in __check_node_ready
raise RuntimeError("Cannot execute REST request when node not ready.")
RuntimeError: Cannot execute REST request when node not ready.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/discord/ext/commands/bot.py", line 863, in invoke
await ctx.command.invoke(ctx)
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/discord/ext/commands/core.py", line 728, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "/home/martinebots/martinebotsvenv/lib/python3.7/site-packages/discord/ext/commands/core.py", line 88, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: RuntimeError: Cannot execute REST request when node not ready.```

# Fixed code
async def _playlist_check(self, ctx: commands.Context):
    if not self._player_check(ctx):
        if self._connection_aborted:
            msg = _("Connection to Lavalink has failed")
            desc = EmptyEmbed
            if await ctx.bot.is_owner(ctx.author):
                desc = _("Please check your console or logs for details.")
            await self._embed_msg(ctx, title=msg, description=desc)
            return False
        try:
            if (
                not ctx.author.voice.channel.permissions_for(ctx.me).connect
                or not ctx.author.voice.channel.permissions_for(ctx.me).move_members
                and userlimit(ctx.author.voice.channel)
            ):
                await self._embed_msg(
                    ctx,
                    title=_("Unable To Get Playlists"),
                    description=_(
                        "I don't have permission to connect to your channel."
                    ),
                )
                return False
            await lavalink.connect(ctx.author.voice.channel)
            player = lavalink.get_player(ctx.guild.id)
            player.store("connect", datetime.datetime.utcnow())
        except IndexError:
            await self._embed_msg(
                ctx,
                title=_("Unable To Get Playlists"),
                description=_("Connection to Lavalink has not yet been established."),
            )
            return False
        except AttributeError:
            await self._embed_msg(
                ctx,
                title=_("Unable To Get Playlists"),
                description=_("Connect to a voice channel first."),
            )
            return False

    player = lavalink.get_player(ctx.guild.id)
    player.store("channel", ctx.channel.id)
    player.store("guild", ctx.guild.id)
    if (
        not ctx.author.voice or ctx.author.voice.channel != player.channel
    ) and not await self._can_instaskip(ctx, ctx.author):
        await self._embed_msg(
            ctx,
            title=_("Unable To Get Playlists"),
            description=_(
                "You must be in the voice channel to use the playlist command."
            ),
        )
        return False
    await self._eq_check(ctx, player)
    await self._data_check(ctx)
    return True