Error checking rules

[zaqes]

I'm getting this error when checking a lot of rules

$ scan -c -Y /xxx/yara/
Traceback (most recent call last):
File "/xxx/.local/bin/scan", line 8, in
sys.exit(main())
File "/xxx/.local/lib/python3.8/site-packages/yara_scanner.py", line 2371, in main
context - scanner.get_yara_context()
NameError: name 'context' is not defined