Update app.py

app.py

@@ -182,7 +182,8 @@ def embed_files(files,ui_session_id,progress=gr.Progress(),progress_step=0.05):
       db = FAISS.load_local(session_id,embeddings, allow_dangerous_deserialization=True)
     except:
       print(f"SESSION: {session_id} database does not exist, create a FAISS db")
-      db =  FAISS.from_documents([foo], embeddings)
+      #db =  FAISS.from_documents([foo], embeddings)
+      db = FAISS.from_texts(["foo is fou!",embeddings,[{"source":"foo source"}]])
       db.save_local(session_id)
       print(f"SESSION: {session_id} database created")