Python 3 support incomplete about xortool HOT 6 CLOSED

xortool -o -x key.txt                                       
Traceback (most recent call last):
  File "/usr/bin/xortool", line 381, in <module>
    main()
  File "/usr/bin/xortool", line 53, in main
    ciphertext = get_ciphertext()
  File "/usr/bin/xortool", line 96, in get_ciphertext
    ciphertext = decode_from_hex(ciphertext)
  File "/usr/lib/python3.7/site-packages/xortool/routine.py", line 58, in decode_from_hex
    only_hex_digits = "".join([c for c in text if c in string.hexdigits])
  File "/usr/lib/python3.7/site-packages/xortool/routine.py", line 58, in <listcomp>
    only_hex_digits = "".join([c for c in text if c in string.hexdigits])
TypeError: 'in <string>' requires string as left operand, not int

xortool -o -x key.txt                                       
The most probable key lengths:
   2:   38.3%
   5:   22.7%
  10:   26.9%
  17:   6.4%
  20:   5.6%
Key-length can be 5*n
100 possible key(s) of length 2:
\n\x15
\x0b\x14
\x08\x17
\t\x16
\x0e\x11
...
Found 50 plaintexts with 95.0%+ printable characters
See files filename-key.csv, filename-char_used-perc_printable.csv

$ xortool-xor -h 607b7b7b -h 3f3c3e2f
Traceback (most recent call last):
  File "/usr/bin/xortool-xor", line 117, in <module>
    main()
  File "/usr/bin/xortool-xor", line 40, in main
    v = arg_data(c, val)
  File "/usr/bin/xortool-xor", line 110, in arg_data
    return from_hex(s)
  File "/usr/bin/xortool-xor", line 95, in from_hex
    return res.decode("hex")
AttributeError: 'str' object has no attribute 'decode'

$ python2 /usr/bin/xortool-xor -h 607b7b7b -h 3f3c3e2f                                                                                                        
_GET

def decode_from_hex(text):
    only_hex_digits = "".join([chr(c) for c in text if chr(c) in string.hexdigits])
    return bytes.fromhex(only_hex_digits)