executor/mars: allow None as a registration token
Not having a registration token is the default for Vivian, and may also happen in production.
This commit handles this situation much more gracefully.
Cc: @craftyguy
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Not having a registration token is the default for Vivian, and may also happen in production.
This commit handles this situation much more gracefully.
Cc: @craftyguy