Update app.py

app.py

@@ -102,8 +102,6 @@ def dashboard_overview():
         st.plotly_chart(fig1, use_container_width=True)
 
         # Download buttons
-        csv = df_total_filtered.to_csv(index=False).encode('utf-8')
-        st.download_button("📥 Download Registration Data (CSV)", csv, "registration_data.csv", "text/csv")
         excel_buffer = io.BytesIO()
         with pd.ExcelWriter(excel_buffer, engine='xlsxwriter') as writer:
             df_total_filtered.to_excel(writer, index=False)
@@ -124,8 +122,6 @@ def dashboard_overview():
         st.plotly_chart(fig2, use_container_width=True)
 
         # Download buttons
-        csv = df_fuel_grouped.to_csv(index=False).encode('utf-8')
-        st.download_button("📥 Download Fuel Trend (CSV)", csv, "fuel_trend.csv", "text/csv")
         excel_buffer = io.BytesIO()
         with pd.ExcelWriter(excel_buffer, engine='xlsxwriter') as writer:
             df_fuel_grouped.to_excel(writer, index=False)
@@ -144,8 +140,7 @@ def dashboard_overview():
         st.plotly_chart(fig3, use_container_width=True)
 
         # Download buttons
-        csv = df_class_grouped.to_csv(index=False).encode('utf-8')
-        st.download_button("📥 Download Class Trend (CSV)", csv, "vehicle_class_trend.csv", "text/csv")
+        
         excel_buffer = io.BytesIO()
         with pd.ExcelWriter(excel_buffer, engine='xlsxwriter') as writer:
             df_class_grouped.to_excel(writer, index=False)
@@ -164,8 +159,7 @@ def dashboard_overview():
         st.plotly_chart(fig5, use_container_width=True)
 
         # Download buttons
-        csv = df_ev_statewise.to_csv(index=False).encode('utf-8')
-        st.download_button("📥 Download Top 10 EV States (CSV)", csv, "top_ev_states.csv", "text/csv")
+    
         excel_buffer = io.BytesIO()
         with pd.ExcelWriter(excel_buffer, engine='xlsxwriter') as writer:
             df_ev_statewise.to_excel(writer, index=False)
@@ -178,8 +172,7 @@ def dashboard_overview():
         st.plotly_chart(fig6, use_container_width=True)
 
         # Download buttons
-        csv = df_total_vs_ev.to_csv(index=False).encode('utf-8')
-        st.download_button("📥 Download EV vs Total Over Time (CSV)", csv, "ev_vs_total.csv", "text/csv")
+    
         excel_buffer = io.BytesIO()
         with pd.ExcelWriter(excel_buffer, engine='xlsxwriter') as writer:
             df_total_vs_ev.to_excel(writer, index=False)