# Buggy code
async def vote(self, ctx: commands.Context, percent: int):
    """Percentage needed for non-mods to skip tracks. 0 to disable."""
    if percent < 0:
        return await self._embed_msg(ctx, _("Can't be less than zero."))
    elif percent > 100:
        percent = 100
    if percent == 0:
        enabled = False
        await self._embed_msg(
            ctx, _("Voting disabled. All users can use queue management commands.")
        )
    else:
        enabled = True
        await self._embed_msg(
            ctx, _("Vote percentage set to {percent}%.").format(percent=percent)
        )

    await self.config.guild(ctx.guild).vote_percent.set(percent)
    await self.config.guild(ctx.guild).vote_enabled.set(enabled)


# 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 vote(self, ctx: commands.Context, percent: int):
    """Percentage needed for non-mods to skip tracks, 0 to disable."""
    if percent < 0:
        return await self._embed_msg(
            ctx,
            title=_("Invalid Time"),
            description=_("Seconds can't be less than zero."),
        )
    elif percent > 100:
        percent = 100
    if percent == 0:
        enabled = False
        await self._embed_msg(
            ctx,
            title=_("Setting Changed"),
            description=_(
                "Voting disabled. All users can use queue management commands."
            ),
        )
    else:
        enabled = True
        await self._embed_msg(
            ctx,
            title=_("Setting Changed"),
            description=_("Vote percentage set to {percent}%.").format(percent=percent),
        )

    await self.config.guild(ctx.guild).vote_percent.set(percent)
    await self.config.guild(ctx.guild).vote_enabled.set(enabled)