Fixed index for clustering view

Author: Stefano Malagò

tagging-service/flaskr/handlers/dataset_handler.py

@@ -49,7 +49,7 @@ def thread_func(_dataset_id, _question_id, _answers):
         save_cluster(dataset_id=_dataset_id,
                      question_id=_question_id,
                      user_id='',
-                     cluster=[{'answers': c, 'name': f'Cluster {i}'} for i, c in enumerate(cls)])  # convert format
+                     cluster=[{'answers': c, 'name': f'Cluster {i + 1}'} for i, c in enumerate(cls)])  # convert format
         logger.debug('done ' + _question_id)
 
     threads = []