Update app.py

app.py

@@ -5,8 +5,9 @@ import soundfile as sf
 def greet(name):
     print("np array" , name)
    # step1 - converting a wav file to numpy array and then converting that to mel-spectrogram
-    audio = librosa.feature.inverse.mel_to_audio(name)
-
+    S_inv = librosa.feature.inverse.mel_to_stft(name, sr=sr, n_fft=512*4)
+    y_inv = librosa.griffinlim(S_inv, n_iter=n_iter,
+                            hop_length=2048)
 #Export wav
        
 # step4 - save it as a wav file