fix(aurora): fixed a registry error

aurora/aurora.py

@@ -13,6 +13,7 @@ from datetime import datetime, timedelta, timezone
 from math import ceil
 
 import discord
+from class_registry.registry import RegistryKeyError
 from dateutil.parser import ParserError, parse
 from discord.ext import tasks
 from redbot.core import app_commands, commands, data_manager
@@ -1122,9 +1123,10 @@ class Aurora(commands.Cog):
     async def aurora_settings_type(self, ctx: commands.Context, moderation_type: str):
         """Manage configuration options for specific moderation types.
 
-        See [the documentation](https://seacogs.coastalcommits.com/Aurora/Types) for a list of built-in moderation types."""
+        See [the documentation](https://seacogs.coastalcommits.com/Aurora/Types) for a list of built-in moderation types, or run this command with a junk argument (`awasd` or something) to see a list of valid types."""
+        try:
             registered_type = type_registry.get(moderation_type)
-        if not registered_type:
+        except RegistryKeyError:
             types = "`, `".join(type_registry.keys())
             await ctx.send(error("`moderation_type` is not a valid moderation type.\nValid types are:\n" + types))
             return