Update app.py

app.py

@@ -1,6 +1,7 @@
 # app.py
 
 import gradio as gr
+import os
 from models import load_embedding_model, load_yi_coder_model
 from pinecone_utils import connect_to_pinecone, vector_search  # Ahora debería funcionar correctamente
 from ui import build_interface