Update app.py

app.py

@@ -28,6 +28,8 @@ def download_model(repo_id, model_name):
 
 import glob
 
+subprocess.run(shlex.split("pip install flash-attn --no-build-isolation"))
+
 @spaces.GPU(duration=280)
 def run_inference(prompt_text):
     repo_id = "hpcai-tech/Open-Sora"