Fix deprecated positional arguments in mel (#133)

Author: tarepan

train/mel_processing.py

@@ -98,7 +98,9 @@ def spec_to_mel_torch(spec, n_fft, num_mels, sampling_rate, fmin, fmax):
     dtype_device = str(spec.dtype) + "_" + str(spec.device)
     fmax_dtype_device = str(fmax) + "_" + dtype_device
     if fmax_dtype_device not in mel_basis:
-        mel = librosa_mel_fn(sampling_rate, n_fft, num_mels, fmin, fmax)
+        mel = librosa_mel_fn(
+            sr=sampling_rate, n_fft=n_fft, n_mels=num_mels, fmin=fmin, fmax=fmax
+        )
         mel_basis[fmax_dtype_device] = torch.from_numpy(mel).to(
             dtype=spec.dtype, device=spec.device
         )