Update app.py

app.py

@@ -15,6 +15,9 @@ from langchain.chains.question_answering import load_qa_chain
 from langchain.callbacks import get_openai_callback
 import os
 
+import pandas as pd
+import pydeck as pdk
+from urllib.error import URLError
 
 # Initialize session state variables
 if 'chat_history_page1' not in st.session_state:
@@ -332,3 +335,4 @@ def main():
 
 if __name__ == "__main__":
     main()
+