doc: update README

README.md

@@ -25,10 +25,9 @@ from pyannote.audio import Pipeline
 pipeline = Pipeline.from_pretrained("pyannote/speaker-diarization")
 output = pipeline("audio.wav")
 
-for segment, _, speaker in output.itertracks():
-    start_time, end_time = segment
-    print(f"Speaker #{speaker} speaks between "
-          f"t={start_time}s and t={end_time}s.")
+for turn, _, speaker in output.itertracks(yield_label=True):
+    # speaker speaks between turn.start and turn.end
+    ...
 ```
 
 ## Benchmark