Update app.py

app.py

@@ -161,8 +161,6 @@ def main():
         st.session_state.chat_history = None
     if "vectorstore" not in st.session_state: #Store vectorstore in session state
         st.session_state.vectorstore = None
-    if "dfs" not in st.session_state:  # Initialize dfs
-        st.session_state.dfs = []
 
     st.header("Chat with PDFs and Data :books: :bar_chart:")
 
@@ -229,15 +227,5 @@ def main():
                 else:
                     st.session_state.dfs = None
 
-# Example of creating a bar chart with Plotly Express (replace with your actual data)
-if st.session_state.dfs:
-    for df_ in st.session_state.dfs: #Iterate over dataframes
-        try:
-            fig = px.bar(df_, x=df_.columns[0], y=df_.columns[1], title="Example Bar Chart") #Assumes first two columns are x and y
-            fig.update_layout(xaxis_tickangle=-45) # Rotate x-axis labels for better readability
-            st.plotly_chart(fig)
-        except Exception as e:
-            st.write(f"Error plotting chart for dataframe: {e}") #Handle exceptions when plotting
-
 if __name__ == "__main__":
     main()