Update app.py

app.py

@@ -1,9 +1,10 @@
 import subprocess
 import sys
+import os
 subprocess.run(['git', 'clone', 'https://github.com/paralym/LLaVA-NeXT.git'], check=True)
-subprocess.run(['cd', 'LLaVA-NeXT'], check=True)
+os.chdir("LLaVA-NeXT")
 subprocess.check_call([sys.executable, '-m', "pip", "install", "-e", "."])
-subprocess.run(['cd ..'], check=True)
+os.chdir("..")
 # from .demo_modelpart import InferenceDemo
 import gradio as gr
 import os