Error (windows)

[rafaelsupport]

C:\Users\Suporte\Downloads\pymp4decrypt-master\src>python decrypt.py -k 4ce68c303ae037a59888d4866de39ffb -i C:\Users\Suporte\Downloads\pymp4decrypt-master\Blank.mp4 -o C:\Users\Suporte\Downloads\pymp4decrypt-master\Blank2.mp4
Traceback (most recent call last):
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 1089, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 1089, in
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\pymp4-1.1.0-py3.7.egg\pymp4\parser.py", line 46, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 855, in _parse
AttributeError: 'bytes' object has no attribute 'items'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 2696, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 1093, in _parse
construct.core.RangeError: could not read prefix or enough elements, stream too short?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "decrypt.py", line 131, in
main()
File "decrypt.py", line 50, in main
decrypt(args.key, args.input, args.output)
File "decrypt.py", line 83, in decrypt
box = Box.parse_stream(reader)
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 186, in parse_stream
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\pymp4-1.1.0-py3.7.egg\pymp4\parser.py", line 46, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 855, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 297, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 1544, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 859, in _parse
File "C:\Users\Suporte\AppData\Local\Programs\Python\Python37-32\lib\site-packages\construct-2.8.8-py3.7.egg\construct\core.py", line 2700, in _parse
construct.core.RangeError: could not read prefix or enough elements, stream too short?
parsing -> entries