Update app.py

app.py

@@ -36,7 +36,12 @@ def configure_service_context(llm, embed_model):
 
 def initialize_vector_store_index(data_path, service_context):
     documents = SimpleDirectoryReader(data_path).load_data()
-    return VectorStoreIndex.from_documents(documents, service_context=service_context)
+    import pickle
+
+    # Load the index from a file
+    with open('./index_file.pkl', 'rb') as f:
+        index = pickle.load(f)
+    return index
 
 def main():
     st.title("Cloudflare RAG")