Update app.py

app.py

@@ -396,7 +396,7 @@ if st.button("🔍 Analyze Cross Section") or st.session_state['analyzed']:
     
     # Save all to session state
     st.session_state['excel_buffer'] = excel_buffer
-    st.session_state['backend_excel_buffer'] = backend_excel_buffer
+    #st.session_state['backend_excel_buffer'] = backend_excel_buffer
     st.session_state['pdf_buffer'] = pdf_buffer  # <--- Important addition
     st.session_state['cross_section_plotted'] = True