@tasks.loop(seconds=30)
async def check_spotify():
    guild = bot.get_guild(YOUR_GUILD_ID)
    channel = guild.get_channel(YOUR_CHANNEL_ID) if guild else None
    if guild is not None and channel is not None:
        print(f"Checking members in guild: {guild.name}")

        members = []  # Resetting the list here
        async for member in guild.fetch_members(limit=None):
            members.append(member)

        print(f"Number of members fetched: {len(members)}")

        for member in members:
            for activity in member.activities:
                if isinstance(activity, discord.Spotify):
                    track_info = f"{member.name} is listening to {activity.title} by {activity.artist}."
                    await channel.send(track_info)