Update demo/infer.py

demo/infer.py

@@ -86,7 +86,7 @@ class LiveCCDemoInfer:
             state['video_pts'] = torch.from_numpy(video_reader._frame_pts[:, 1])
             state['last_video_pts_index'] = -1
         video_pts = state.get('video_pts', None)
-        if not video_pts:
+        if video_pts is None:
             return
         video_timestamp = min(video_timestamp, video_pts[-1])
         if last_timestamp + self.frame_time_interval > video_pts[-1]: