Added check for deleting error message responses

musicbot/bot.py

@@ -1891,7 +1891,16 @@ async def on_message(self, message):
 
         except (exceptions.CommandError, exceptions.HelpfulError, exceptions.ExtractionError) as e:
             print("{0.__class__}: {0.message}".format(e))
-            await self.safe_send_message(message.channel, '```\n%s\n```' % e.message, expire_in=e.expire_in)
+
+            expirein = e.expire_in if self.config.delete_messages else None
+            alsodelete = message if self.config.delete_invoking else None
+
+            await self.safe_send_message(
+                message.channel,
+                '```\n%s\n```' % e.message,
+                expire_in=expirein,
+                also_delete=alsodelete
+            )
 
         except exceptions.Signal:
             raise