can't reject source package from NEW

[Colin Watson]

$ queue reject colorscheme
Initialising connection to queue new
Running: "reject colorscheme"
Rejecting ubuntu/edgy (NEW) 1/77
---------------------------------------------------------------------------
Rejecting colorscheme
Traceback (most recent call last):
  File "/srv/launchpad.net/codelines/current/scripts/ftpmaster-tools/queue", line 901, in ?
    sys.exit(main())
  File "/srv/launchpad.net/codelines/current/scripts/ftpmaster-tools/queue", line 883, in main
    cmd_runner.execute(single_args, exact_match)
  File "/srv/launchpad.net/codelines/current/scripts/ftpmaster-tools/queue", line 802, in execute
    wrapper.run()
  File "/srv/launchpad.net/codelines/current/scripts/ftpmaster-tools/queue", line 552, in run
    self.send_email(message)
  File "/srv/launchpad.net/codelines/current/scripts/ftpmaster-tools/queue", line 319, in send_email
    sendmail(mail_message)
  File "/srv/launchpad.net/codelines/soyuz-production/scripts/ftpmaster-tools/../../lib/canonical/launchpad/mail/sendmail.py", line 164, in sendmail
    assert 'to' in message and bool(message['to']), 'No To: header'
AssertionError: No To: header