Update libriheavy.py

libriheavy.py

@@ -153,7 +153,7 @@ class Libriheavy(datasets.GeneratorBasedBuilder):
                     # skip the last utterance
                     if utterance_id == sorted(list(text.keys()))[-1]:
                         continue
-                    print(npz.keys())
+                    print(npz[str(utterance_id)].item().keys())
                     result =  {
                         "id": chunk["speaker_id"] + "_" + utterance_id,
                         "speaker_id": chunk["speaker_id"],