supress pynacl warning

redbot/core/bot.py

@@ -12,6 +12,10 @@ from discord.ext.commands.bot import BotBase
 from discord.ext.commands import GroupMixin
 from discord.ext.commands import when_mentioned_or
 
+# This supresses the PyNaCl warning that isn't relevant here
+from discord.voice_client import VoiceClient
+VoiceClient.warn_nacl = False
+
 from .cog_manager import CogManager
 from . import (
     Config,
@@ -26,7 +30,6 @@ from .utils import TYPE_CHECKING
 if TYPE_CHECKING:
     from aiohttp_json_rpc import JsonRpc
 
-
 # noinspection PyUnresolvedReferences
 class RpcMethodMixin:
     async def rpc__cogs(self, request):