# Buggy code
async def run_tasks(self, ctx: Optional[commands.Context] = None, _id=None):
    lock_id = _id or ctx.message.id
    lock_author = ctx.author if ctx else None
    async with self._lock:
        if lock_id in self._tasks:
            log.debug(f"Running database writes for {lock_id} ({lock_author})")
            with contextlib.suppress(Exception):
                tasks = self._tasks[ctx.message.id]
                del self._tasks[ctx.message.id]
                await asyncio.gather(
                    *[self.insert(*a) for a in tasks["insert"]], return_exceptions=True
                )
                await asyncio.gather(
                    *[self.update(*a) for a in tasks["update"]], return_exceptions=True
                )
            log.debug(f"Completed database writes for {lock_id} ({lock_author})")


# 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 run_tasks(self, ctx: Optional[commands.Context] = None, _id=None):
    lock_id = _id or ctx.message.id
    lock_author = ctx.author if ctx else None
    async with self._lock:
        if lock_id in self._tasks:
            log.debug(f"Running database writes for {lock_id} ({lock_author})")
            with contextlib.suppress(Exception):
                tasks = self._tasks[ctx.message.id]
                del self._tasks[ctx.message.id]
                await asyncio.gather(
                    *[self.database.insert(*a) for a in tasks["insert"]],
                    return_exceptions=True,
                )
                await asyncio.gather(
                    *[self.database.update(*a) for a in tasks["update"]],
                    return_exceptions=True,
                )
            log.debug(f"Completed database writes for {lock_id} ({lock_author})")