Update app.py

app.py

@@ -138,10 +138,10 @@ if __name__ == '__main__':
     validation_data_gen = frame_generator(sr_valid, valid_audio, frame_size, frame_shift)
     training_data_gen = frame_generator(sr_training, training_audio, frame_size, frame_shift)
     model.fit_generator(training_data_gen, samples_per_epoch=3000, nb_epoch=n_epochs, validation_data=validation_data_gen,nb_val_samples=500, verbose=1, callbacks=[save_audio_clbk])
-    print ('Saving model...')
+    print('Saving model...')
     str_timestamp = str(int(time.time()))
     model.save('models/model_'+str_timestamp+'_'+str(n_epochs)+'.h5')
-    print ('Generating audio...')
+    print('Generating audio...')
     new_audio = get_audio_from_model(model, sr_training, 2, audio_context)
     outfilepath = 'output/generated_'+str_timestamp+'.wav'
     print 'Writing generated audio to:', outfilepath