Update DiaBLa.py

DiaBLa.py

@@ -172,7 +172,7 @@ class Diabla(datasets.GeneratorBasedBuilder):
                         if info_to_remove in dialogue[user]:
                             del dialogue[user][info_to_remove]
                 dialogue_info = {k: dialogue[k] for k in dialogue_info_keys}
-                if dialogue_info['end_time'] == None:
+                if dialogue_info['end_time'] is None:
                     dialogue_info['end_time'] = ''
                 # Main data: the utterances
                 for utterance_id in dialogue['utterances']:
@@ -180,6 +180,8 @@ class Diabla(datasets.GeneratorBasedBuilder):
                     # Meta-information attached to the utterance
                     utterance_info_keys = ['judgment', 'verbatim', 'problems']
                     utterance_info = {'eval-' + k: utterance['eval'][k] for k in utterance_info_keys}
+                    if utterance_info['eval-judgment'] is None:
+                        utterance_info['eval-judgment'] = ''
                     utterance_info['lang'] = utterance['language']
                     # Utterance text
                     original_text = utterance['original_text']