Update app.py

app.py

@@ -2,7 +2,7 @@ import subprocess
 import os
 
 subprocess.run(
-    "MAX_JOBS=4 pip install flash-attn --no-build-isolation",
+    "pip install flash-attn==2.7.4.post1 --no-build-isolation",
     env={"FLASH_ATTENTION_SKIP_CUDA_BUILD": "TRUE"},
     shell=True,
 )