Update main.py

main.py

@@ -736,7 +736,7 @@ def generate_quiz_for_notes(notes_id):
 
         # --- Save Quiz to Database ---
         quiz_res = supabase.table('quizzes').insert({
-            'notes_id': notes_id,
+            'notes_id': str(notes_id),
             'user_id': user.id,
             'difficulty': difficulty,
             'questions': json.dumps(quiz_questions) # Store questions as JSONB