scan.wp_scan(args.url) bug

[razvan01]

Traceback (most recent call last):
File "rta.py", line 417, in
main()
File "rta.py", line 404, in main
scan.wp_scan(args.url)
File "rta.py", line 330, in wp_scan
data['version'] = result['version']['number']
TypeError: 'NoneType' object has no attribute 'getitem'

Python version:
Python 2.7.12

OS, kernel:
Linux rta 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Fix:
replace line 404 in rta.py
scan.wp_scan(args.url)
with
scan.wp_scan("--url " + args.url)