bugfix on np.nan

src/gyraudio/audio_separation/visualization/interactive_audio.py

@@ -158,7 +158,7 @@ def visualize_audio(signal: dict, mixed_signal, predicted_signal, zoom=1, zoomy=
     # true_mixed = SingleCurve(y=zin(signal[BUFFERS][MIXED][0, :], zval, center),
     #                          alpha=0.3, style="b-", linewidth=1, label="true mixed")
     curves = [noisy, mixed, pred, clean]
-    title = f"SNR  in {global_params.get('snr', np.NaN):.1f} dB"
+    title = f"SNR  in {global_params.get('snr', np.nan):.1f} dB"
     if "selected_info" in global_params:
         title += f" | {global_params['selected_info']}"
     title += "\n"