Update DiaBLa.py

DiaBLa.py

@@ -193,8 +193,9 @@ class Diabla(datasets.GeneratorBasedBuilder):
                 for info_to_remove in ['interface','verbatim_quality', 
                                        'particular_problems', 'tech', 
                                        'would_use', 'timestamp', 'technical_issue']:
-                    del dialogue_info['final_evaluation_user1'][info_to_remove]
-                    del dialogue_info['final_evaluation_user2'][info_to_remove]
+                    for final_eval in 'final_evaluation_user1', 'final_evaluation_user2':
+                        if info_to_remove in dialogue_info[final_eval]:
+                            del dialogue_info[final_eval][info_to_remove]
                     
                 # Main data: the utterances
                 for utterance_id in dialogue['utterances']: