Don't try to save vectorstore, HF doesn't like it

app.py

@@ -47,7 +47,6 @@ else:
             continue
         vectorstore.add_documents(split_documents[i:i+32])
         hf_retriever = vectorstore.as_retriever()
-    vectorstore.save_local("./data/vectorstore")
 print("Created vectorstore")
 
 ## -- System prompt --