Update app.py

app.py

@@ -1,3 +1,4 @@
+import os
 import streamlit as st
 import pandas as pd
 from pandasai import SmartDataframe
@@ -62,6 +63,9 @@ request = st.text_input(
 if st.button("Analyze"):
     if st.session_state['df'] is not None:
         file = st.session_state['df'].chat(request)
-        st.image(file)
+        if os.path.exists(file):
+            st.image(file)
+        else:
+            st.info(file)
     else:
         st.warning("Please select a conversation and load data first.")