Traceback (most recent call last):


 "/usr/local/lib/python3.6/site-packages/logbook/handlers.py", line 216, in handle

self.emit(record)


 "/usr/local/lib/python3.6/site-packages/dbt/logger.py", line 461, in emit

'too many messages received before initilization!'
AssertionError: too many messages received before initilization!

Traceback (most recent call last):


 "video_demo.py", line 76, in <module>

cv2.VideoWriter_fourcc(*'XVID'), fps, frameSize).start()


 "/data4/zjf/code/Pose-Estimation/AlphaPose-pytorch/dataloader.py", line 676, in __init__

assert self.stream.isOpened(), 'Cannot open video for writing'
AssertionError: Cannot open video for writing
