Bug in Mailman version 2.1.5

We're sorry, we hit a bug!

If you would like to help us identify the problem, please email a copy of this page to the webmaster for this site with a description of what happened. Thanks!

Traceback:

Traceback (most recent call last):
  File "/usr/local/mailman/scripts/driver", line 80, in run_main
    pkg = __import__('Mailman.Cgi', globals(), locals(), [scriptname])
  File "/usr/local/mailman/Mailman/Cgi/admin.py", line 38, in 
    from Mailman import MailList
  File "/usr/local/mailman/Mailman/MailList.py", line 49, in 
    from Mailman.Archiver import Archiver
  File "/usr/local/mailman/Mailman/Archiver/__init__.py", line 17, in 
    from Archiver import *
  File "/usr/local/mailman/Mailman/Archiver/Archiver.py", line 31, in 
    from Mailman import Mailbox
  File "/usr/local/mailman/Mailman/Mailbox.py", line 21, in 
    import mailbox
  File "/usr/lib/python2.6/mailbox.py", line 19, in 
    import email.message
ImportError: No module named message



Python information:

VariableValue
sys.version 2.6.6 (r266:84292, Dec 27 2010, 00:02:40) [GCC 4.4.5]
sys.executable /usr/bin/python
sys.prefix /usr
sys.exec_prefix /usr
sys.path /usr
sys.platform linux2


Environment variables:

VariableValue
SERVER_SOFTWARE Apache/2.2.16 (Debian)
SCRIPT_NAME /mailman/admin
SERVER_SIGNATURE
Apache/2.2.16 (Debian) Server at www.bio.miami.edu Port 80
REQUEST_METHOD GET
SERVER_PROTOCOL HTTP/1.1
QUERY_STRING
HTTP_ACCEPT_CHARSET ISO-8859-1,utf-8;q=0.7,*;q=0.7
HTTP_USER_AGENT CCBot/1.0 (+http://www.commoncrawl.org/bot.html)
HTTP_CONNECTION close
SERVER_NAME www.bio.miami.edu
REMOTE_ADDR 38.107.179.234
SERVER_PORT 80
SERVER_ADDR 129.171.42.4
DOCUMENT_ROOT /etc/apache2/htdocs
HTTP_PRAGMA no-cache
PYTHONPATH /usr/local/mailman
SCRIPT_FILENAME /usr/local/mailman/cgi-bin/admin
SERVER_ADMIN [no address given]
HTTP_HOST www.bio.miami.edu
HTTP_CACHE_CONTROL no-cache
REQUEST_URI /mailman/admin
HTTP_ACCEPT text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
HTTP_X_CC_ID ccc03-02
GATEWAY_INTERFACE CGI/1.1
REMOTE_PORT 33865
HTTP_ACCEPT_LANGUAGE en-us,en;q=0.5
HTTP_ACCEPT_ENCODING gzip