Update app.py

app.py

@@ -14,6 +14,7 @@ os.system(f"wget -q https://github.com/camenduru/webui/raw/main/env_patch.py -O
 os.system(f"sed -i -e '/import image_from_url_text/r /home/user/app/env_patch.py' /home/user/app/stable-diffusion-webui/modules/ui.py")
 os.system(f"sed -i -e '/(modelmerger_ui.blocks, \"Checkpoint Merger\", \"modelmerger\"),/d' /home/user/app/stable-diffusion-webui/modules/ui.py")
 os.system(f"sed -i -e '/(train_interface, \"Train\", \"train\"),/d' /home/user/app/stable-diffusion-webui/modules/ui.py")
+# disable extension tab
 os.system(f"sed -i -e '/extensions_interface, \"Extensions\", \"extensions\"/d' /home/user/app/stable-diffusion-webui/modules/ui.py")
 os.system(f"sed -i -e '/settings.interface, \"Settings\", \"settings\"/d' /home/user/app/stable-diffusion-webui/modules/ui.py")
 os.system(f'''sed -i -e "s/document.getElementsByTagName('gradio-app')\[0\].shadowRoot/!!document.getElementsByTagName('gradio-app')[0].shadowRoot ? document.getElementsByTagName('gradio-app')[0].shadowRoot : document/g" /home/user/app/stable-diffusion-webui/script.js''')