modify app

app.py

@@ -96,6 +96,7 @@ def process_audio(input_audio, reference_audio):
 def perform_ito(input_audio, reference_audio, ito_reference_audio, num_steps, optimizer, learning_rate, af_weights):
     if ito_reference_audio is None:
         ito_reference_audio = reference_audio
+    af_weights = [float(w.strip()) for w in af_weights.split(',')]
 
     ito_config = {
         'optimizer': optimizer,