elgo_demo.py stucks after video is closed

[brianw0924]

This issue is still unsolved

seems the program stuck at waiter.acquire()

which is in lib/python3.7/threading.py", line 296, in wait

[keishatsai]

you can address to this solution. convert to support format: I converted my mp4 to avi and it works.
#34 (comment)