Update custom_msg.py

May the broken god bless me with exorcising this cursed ghost of a whitespace character

Author: MrMrRubic

custom_msg/custom_msg.py

@@ -43,7 +43,7 @@ async def msg_edit(self, ctx: commands.Context, message: discord.Message):
         It's best to use a message link when specifying which message to edit.
         Providing a message ID is likely to fail for older messages, as they won't be in cache.
         """
-        
+
         if message.author != ctx.me:
             return await ctx.send("You must specify a message that was sent by the bot.")