Update app.py

app.py

@@ -49,13 +49,16 @@ def generate_mcqs_ui(paragraph, num_questions):
                 'Answer': chr(65+mcq['answer_index'])
             })
 
-        # Create file objects
-        txt_file = io.BytesIO(txt_output.encode('utf-8'))
-        csv_file = io.BytesIO()
-        pd.DataFrame(csv_data).to_csv(csv_file, index=False)
-        csv_file.seek(0)
+        # ✅ Create real temporary files
+        txt_temp = tempfile.NamedTemporaryFile(delete=False, suffix=".txt", mode='w', encoding='utf-8')
+        txt_temp.write(txt_output)
+        txt_temp.close()
 
-        return pretty_mcqs, [("mcqs.txt", txt_file), ("mcqs.csv", csv_file)], "✅ MCQs generated successfully!"
+        csv_temp = tempfile.NamedTemporaryFile(delete=False, suffix=".csv", mode='w', encoding='utf-8')
+        pd.DataFrame(csv_data).to_csv(csv_temp.name, index=False)
+        csv_temp.close()
+
+        return pretty_mcqs, [txt_temp.name, csv_temp.name], "✅ MCQs generated successfully!"
 
     except Exception as e:
         return None, None, f"❌ Error generating MCQs: {str(e)}"