'DRY helper.
Requiring the user to specify both username and email will help catch
certain issues, for example if the expected username has already been
taken by someone else.'

def _check_email_match(self, user, email):

    if (user.email.lower() != email.lower()):
        raise CommandError(_('Skipping    user    "{}"    because    the    specified    and    existing    email    addresses    do    not    match.').format(user.username))
