Update app.py

app.py

@@ -455,7 +455,7 @@ with tabs[1]:
             df_abstract = pd.DataFrame({"Abstract & Recommendations": [abstract]})
             df_abstract.to_excel(writer, index=False, sheet_name="Abstract")
             
-            writer.save()
+            writer.close()
         
         excel_io.seek(0)
         
@@ -466,5 +466,5 @@ with tabs[1]:
             file_name="analysis_data.xlsx",
             mime="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
         )
-        writer.close() 
+