Update app.py

app.py

@@ -7,7 +7,7 @@ import os
 import subprocess
 
 subprocess.run(
-    "pip install flash-attn --no-build-isolation",
+    "/home/user/.pyenv/shims/pip install flash-attn --no-build-isolation",
     env={"FLASH_ATTENTION_SKIP_CUDA_BUILD": "TRUE"},
     shell=True,
 )