get_spec_url_from_moin_mail TypeError

[Curtis Hovey]

This error has occurred several times in the recent lpnet reports:

Traceback (innermost last):
  Module canonical.launchpad.mail.incoming, line 292, in handleMail
    handled = handler.process(mail, email_addr, file_alias)
  Module canonical.launchpad.mail.handlers, line 671, in process
    spec_url = get_spec_url_from_moin_mail(mail_body)
  Module canonical.launchpad.mail.specexploder, line 13, in get_spec_url_from_moin_mail
    match = _moin_url_re.search(moin_text)
TypeError: expected string or buffer

OOPS-916CEMAIL1, OOPS-916CEMAIL3 and
OOPS-917CEMAIL1, OOPS-917CEMAIL3

[Curtis Hovey (sinzui)]

This will affect very few users, so I'm marking the priority low. If this occurs more frequently, we need to raise the priority to address this.

[Curtis Hovey (sinzui)]

I see three more oopses: OOPS-920CEMAIL3, OOPS-920CEMAIL6, OOPS-920CEMAIL7