Update app.py

app.py

@@ -9,6 +9,7 @@ import os
 from pinecone import Pinecone
 from langchain.chat_models import ChatOpenAI
 from langsmith import Client
+from langchain.smith import RunEvalConfig, run_on_dataset
 
 #------------------------------------------------------------------------
 # Load API Keys From the .env File & Load the OpenAI, Pinecone, and LangSmith Client