Update app.py

app.py

@@ -11,8 +11,8 @@ import spaces
 from threading import Thread
 from gradio_pdf import PDF
 
-import os
-os.system("pip install -U flash-attn")
+import subprocess
+subprocess.run('pip install flash-attn --no-build-isolation', env={'FLASH_ATTENTION_SKIP_CUDA_BUILD': "TRUE"}, shell=True)
 
 models_supported = {
     "arabic-small-nougat": [