Can I change Django's auth_user.username field to be 100 chars long without breaking anything?

Question

Before somebody marks this question as a duplicate of this question Can django\'s auth_user.username be varchar(75)? How could that be done? or other such questions on SO, pleas

Answer 1

If you change the database manually as well as the model accordingly then there should be no problem.

You can also change back otherwise, and I would say make a backup just in case but I'm not sure its even necessary