Looks like you are passing in a string object for the date. feedgenerator.rfc3339_date(when) will return a string rather than a datetime object, I'm guessing that is the problem.
-rob
Looks like you are passing in a string object for the date. feedgenerator.rfc3339_date(when) will return a string rather than a datetime object, I'm guessing that is the problem.
-rob