List of steps to reproduce:
C:\pwb\GIT\core>pwb image pwb -simulate
WARNING: C:\pwb\GIT\core\pywikibot\bot.py:1261: UserWarning: ImageRobot has a generator already. Ignoring argument.
pywikibot.warn('{} has a generator already. Ignoring argument.'
WARNING: generator is not a valid option. It was ignored.
0 pages read
0 pages written
0 pages skipped
Execution time: 0 seconds
Script terminated successfully.
C:\pwb\GIT\core>What happens?:
A warning is shown but the argument is ignored:
WARNING: C:\pwb\GIT\core\pywikibot\bot.py:1261: UserWarning: ImageRobot has a generator already. Ignoring argument.
pywikibot.warn('{} has a generator already. Ignoring argument.'Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc:
Pywikibot 7.0.0.dev0