Update app.py

app.py

@@ -3,7 +3,7 @@ import gradio as gr
 
 from langchain.llms import AzureOpenAI
 from langchain.chat_models import AzureChatOpenAI
-from langchain.chains import SQLDatabaseChain
+from langchain.chains.sql_database.base import SQLDatabaseChain
 from langchain.agents import Tool, AgentType, initialize_agent
 from langchain.memory import ConversationBufferMemory
 from langchain.prompts.prompt import PromptTemplate