Update gradio-app.py

gradio-app.py

@@ -3,7 +3,12 @@ import gradio as gr
 from PIL import Image
 import torch
 from diffusers import DiffusionPipeline, AutoencoderTiny
-import os
+import os, sys
+
+import subprocess
+
+
+subprocess.check_call([sys.executable, "-m", "pip", "install", 'stable-fast'])
 
 SAFETY_CHECKER = os.environ.get("SAFETY_CHECKER", None)
 TORCH_COMPILE = os.environ.get("TORCH_COMPILE", None)