Update app.py

app.py

@@ -3,7 +3,7 @@ from PyPDF2 import PdfReader
 import langchain
 from textwrap import dedent
 import pandas as pd
-from langchain_google_genai import ChatGoogleGenerativeAI
+
 from langchain_community.callbacks import StreamlitCallbackHandler
 from langchain_openai import ChatOpenAI
 from langchain_community.chat_models import ChatGooglePalm