Update app.py

app.py

@@ -24,7 +24,9 @@ def audio_preprocess(input_file): #, in_data, frame_count, time_info, status):
 
     global vocals_data
     # Convert input data to numpy array
-    audio_array = np.frombuffer(input_file, dtype=np.int16)
+    with open(input_file, 'rb') as f:
+        audio_bytes = f.read()
+    audio_array = np.frombuffer(audio_bytes, dtype=np.int16)
     
     # Perform vocal removal on the audio input
     # Pass the audio array as waveform to separate() method