Update app.py

app.py

@@ -102,11 +102,11 @@ Respond only 'Yes' or 'No'.
         return pd.DataFrame(), None
 
     df = pd.DataFrame(candidates)
-    # Convert to CSV as BytesIO for Gradio
+    # Convert to CSV as bytes and provide filename for Gradio
     csv_buffer = io.BytesIO()
     df.to_csv(csv_buffer, index=False)
     csv_buffer.seek(0)
-    return df, csv_buffer
+    return df, ("candidates.csv", csv_buffer.read())
 
 # ----------------------------
 # GRADIO INTERFACE