fix word cloud typo

handler.py

@@ -145,7 +145,7 @@ class Transcript:
         avg_student_length = student_words / student_utt_count
         return {'teacher': teacher_percentage, 'student': student_percentage}, {'teacher': avg_teacher_length, 'student': avg_student_length}
 
-    def get_uptake_and_speaker_word_cloud_dicts(self):
+    def get_word_clouds(self):
         teacher_dict = {}
         student_dict = {}
         uptake_teacher_dict = {}
@@ -459,7 +459,7 @@ class EndpointHandler():
         return_dict['talkLength'] = talk_len
         talk_moments = transcript.get_talk_timeline()
         return_dict['talkMoments'] = talk_moments
-        word_cloud, uptake_word_cloud = transcript.get_uptake_and_speaker_word_cloud_dicts(math_cloud_dict)
+        word_cloud, uptake_word_cloud = transcript.get_word_clouds()
         return_dict['commonTopWords'] = word_cloud
         return_dict['uptakeTopWords'] = uptake_word_cloud
         return_dict['mathTopWords'] = math_cloud