diff --git a/infer/lib/audio.py b/infer/lib/audio.py
index 90c825e..8c688a0 100644
--- a/infer/lib/audio.py
+++ b/infer/lib/audio.py
@@ -3,6 +3,7 @@ import ffmpeg
 import numpy as np
 import av
 from io import BytesIO
+import traceback
 
 
 def wav2(i, o, format):