Update app.py

app.py

@@ -194,7 +194,8 @@ def save_to_csv_flat(all_extracted_values, schedule1_values, client_name="Unknow
         new_row["Other Income - Schedule 1, Line 8"] = schedule1_values[2] if schedule1_values[2] != '' else '0'
 
     # Append and save
-    df = pd.concat([df, pd.DataFrame([new_row])], ignore_index=True)
+    if not ((df == new_row.iloc[0]).all(axis=1)).any():   
+        df = pd.concat([df, pd.DataFrame([new_row])], ignore_index=True)
     print(f"CSV rows after append: {len(df)}")
     df.to_csv(csv_path, index=False)
     print(f" Data saved to CSV: {csv_path}")