Update app.py

app.py

@@ -201,7 +201,7 @@ def main():
                     if st.button("Try test file"):
                         wav, sr = librosa.load("test.wav", sr=44100)
                         Xdb = get_melspec("test.wav")[1]
-                        mfccs = librosa.feature.mfcc(wav, sr=sr)
+                        mfccs = librosa.feature.mfcc(y=wav, sr=sr)
                         # display audio
                         st.audio("test.wav", format='audio/wav', start_time=0)
                         path = "test.wav"