Update app.py

app.py

@@ -176,7 +176,8 @@ def invoke(openai_api_key, rag_option, prompt):
             print(completion)
             print("###")
             print(str(chain))
-            print(chain.llm_chain)
+            print("###")
+            print(chain["llm_chain"])
             print("###")
         else:
             completion, chain = llm_chain(llm, prompt)
@@ -187,6 +188,8 @@ def invoke(openai_api_key, rag_option, prompt):
             print("###")
             print(str(chain))
             print("###")
+            print(chain["llm"])
+            print("###")
     except Exception as e:
         err_msg = e
         raise gr.Error(e)