errorハンドリング

app.py

@@ -1,7 +1,6 @@
 import gradio as gr
 import os
 
-
 from langchain import OpenAI, ConversationChain
 from langchain.prompts import PromptTemplate
 from langchain.embeddings.openai import OpenAIEmbeddings
@@ -47,6 +46,8 @@ def chat(message, site,history):
     #siteの//以前を削除
     site = site.replace("https://","")
     response = agent_chain.run(input=message+" site:"+site)
+    if not response:
+        response = "website not found"
     history.append((message, response))
 
     return history, history

github

@@ -1 +1 @@
-Subproject commit 0b612aaaa0111bb09cfa8a491f27d4d717dd4a92
+Subproject commit f9b4d012cf772c42a52ca4c1395fd75bbbbf5437