Update DiaBLa.py

DiaBLa.py

@@ -198,7 +198,7 @@ class Diabla(datasets.GeneratorBasedBuilder):
                         'norm': normalised_text,
                         'mt': mt_text,
                         'id': id_,
-                        'ref': reference_text,
+                        'ref': reference_text.replace('’', "'"), # normalise apostrophes to be the same as mt
                         'utterance_meta': utterance_info
                     }