Filter out for SL utterances

handler.py

@@ -218,7 +218,10 @@ class EndpointHandler():
     def get_utterances_list(self, full_transcript, utterances_list, utterances_indexes, model_id):
         for i in range(len(full_transcript)):
             utterance = full_transcript[i]
-            #TODO: filter out to only have SL utterances                                                                                                                                                   
+            #filter out to only have SL utterances                                                                                                                                              
+            if '(SL)' not in utterance.speaker:
+                continue
+
             if model_id == 'eliciting':
                 utterance_str, is_list = self.eliciting_utterance_to_str(utterance)
             elif model_id == 'connecting':