Update app.py

app.py

@@ -37,6 +37,7 @@ def predict_genre(audio):
     sr, audio = audio
     # print(audio)
     # audio = np.ndarray(audio)
+    audio = audio.astype(numpy.float32)
     melspec = get_melspec_feature(audio, target_sr, frame_size, frame_shift_len, 128) 
     prediction = model.predict(melspec)[0]
     return {genre_classes[i]: float(prediction[i]) for i in range(5)}