Typo fix

sonogram.py

@@ -133,14 +133,14 @@ class Sonogram():
         # Rename labels
         currId = 0
         mapping = {}
-        for label in diarization.lables():
+        for label in diarization.labels():
             if label == 'group':
                 continue
             else:
                 currId += 1
                 newLabel = f'SPEAKER_{currId:03d}'
                 mapping[label] = newLabel
-        diarization = diarization.rename_lables(mapping)
+        diarization = diarization.rename_labels(mapping)
         print("Time in seconds calculated")
         return diarization, totalTimeInSeconds, waveform, sample_rate