TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType'

[santosadrian]

(base) root@pimp3:~/TorCrawl.py# python3 torcrawl.py -v -u darkfailenbsdla5mal2mxn2uz66od5vtzd5qozslagrfzachha3f3id.onion -c -d 999 -p 1 Traceback (most recent call last): File "torcrawl.py", line 218, in main() File "torcrawl.py", line 176, in main if int(args.yara) not in [0, 1]: TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType'