Traceback (most recent call last):


 "/content/deep_sort_yolov3/demo.py", line 170, in <module>

main(YOLO())


 "/content/deep_sort_yolov3/demo.py", line 158, in main

if len(pts[track.track_id]) != None:
UnboundLocalError: local variable 'track' referenced before assignment
Traceback (most recent call last):


 "scripts/preprocess_questions.py", line 193, in <module>

main(args)


 "scripts/preprocess_questions.py", line 88, in main

'answer_token_to_idx': answer_token_to_idx,
UnboundLocalError: local variable 'answer_token_to_idx' referenced before assignment
