fix(dev): Correct line continuation in aexec

DragMusic/plugins/tools/dev.py

@@ -26,7 +26,7 @@ async def aexec(code, client, message):
         + "        p = print\n"
         + "        reply = message.reply_to_message\n"
         + "        chat = message.chat.id\n"
-        + "".join(f"        {l}\\n" for l in code.split("\\n"))
+        + "".join(f"        {l}\\n" for l in code.split("\n"))
         + "    except Exception as e:\n"
         + "        print(traceback.format_exc())"
     )