fix: _sf() keyword arg — use l=2 not lag=2

_fix_onset.py.patch

@@ -0,0 +1,10 @@
+    else:  # auto: SuperFlux multi-band
+        yh,_=librosa.effects.hpss(y)
+        def _sf(audio,fmin=None,fmax=None,ms=3,l=1):
+            S=librosa.feature.melspectrogram(y=audio,sr=sr,n_fft=n_fft,hop_length=hop_length,
+                n_mels=128,fmin=fmin or 20,fmax=fmax or sr//2,power=1)
+            return librosa.onset.onset_strength(S=librosa.power_to_db(S,ref=np.max),
+                sr=sr,hop_length=hop_length,lag=l,max_size=ms)
+        def _n(x): m=x.max(); return x/m if m>0 else x
+        oe = np.maximum.reduce([_n(_sf(y,20,300)), _n(_sf(y,300,4000)),
+                                 _n(_sf(y,4000,16000)), _n(_sf(yh,l=2,ms=5))])