only return top 50 of student and teacher word cloud list

handler.py

@@ -193,7 +193,9 @@ class Transcript:
             dict_list.append({'text': word, 'value': student_dict[word], 'category': 'general'})
         sorted_dict_list = sorted(dict_list, key=lambda x: x['value'], reverse=True)
         sorted_uptake_dict_list = sorted(uptake_dict_list, key=lambda x: x['value'], reverse=True)
-        return sorted_dict_list[:50], sorted_uptake_dict_list[:50], teacher_dict_list, student_dict_list
+        sorted_teacher_dict_list = sorted(teacher_dict_list, key=lambda x: x['value'], reverse=True)
+        sorted_student_dict_list = sorted(student_dict_list, key=lambda x: x['value'], reverse=True)
+        return sorted_dict_list[:50], sorted_uptake_dict_list[:50], sorted_teacher_dict_list, sorted_student_dict_list
 
     def get_talk_timeline(self):
         return [utterance.to_talk_timeline_dict() for utterance in self.utterances]