move the supression to __init__.py

redbot/__init__.py

@@ -2,6 +2,10 @@ import sys
 import typing
 import discord
 
+# This supresses the PyNaCl warning that isn't relevant here
+from discord.voice_client import VoiceClient
+VoiceClient.warn_nacl = False
+
 # Let's do all the dumb version checking in one place.
 
 if discord.version_info.major < 1: