alembic -V (return code: 2)
usage: alembic [-h] [-c CONFIG] [-n NAME] [-x X] [--raiseerr]
{branches,current,downgrade,edit,heads,history,init,list_templates,merge,revision,show,stamp,upgrade}
...
alembic: error: unrecognized arguments: --version
alembic --HELP (return code: 2)
usage: alembic [-h] [-c CONFIG] [-n NAME] [-x X] [--raiseerr]
{branches,current,downgrade,edit,heads,history,init,list_templates,merge,revision,show,stamp,upgrade}
...
alembic: error: unrecognized arguments: --HELP