Update app.py

app.py

@@ -111,8 +111,8 @@ if uploaded_files:
         hybrid_retriever = HybridRetriever(vector_retriever, bm25_retriever)
 
         # Generation
-        # model = "gpt-3.5-turbo"
-        model = "claude-3-opus-20240229"
+        model = "gpt-3.5-turbo"
+        # model = "claude-3-opus-20240229"
 
         # def get_context(query):
         #     contexts = kg_retriever.retrieve(query)