Update app.py

app.py

@@ -26,6 +26,7 @@ import logging
 from infer_tools.infer_tool import *
 import io
 import parselmouth
+from parselmouth.praat import call
 
 clip_completed = False
 def render_audio(ckpt_temp_file, config_temp_file, audio_temp_file, title, title2, title3, choice, noise_step, use_mel_as_base):