Bug in Mailman version 2.1.2

We're sorry, we hit a bug!

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Traceback:

Traceback (most recent call last):
  File "/export/home/mailman/scripts/driver", line 87, in run_main
    main()
  File "/export/home/mailman/Mailman/Cgi/listinfo.py", line 42, in main
    listinfo_overview()
  File "/export/home/mailman/Mailman/Cgi/listinfo.py", line 87, in listinfo_overview
    mlist = MailList.MailList(name, lock=0)
  File "/export/home/mailman/Mailman/MailList.py", line 124, in __init__
    self.Load()
  File "/export/home/mailman/Mailman/MailList.py", line 583, in Load
    dict, e = self.__load(file)
  File "/export/home/mailman/Mailman/MailList.py", line 556, in __load
    dict = loadfunc(fp)
UnpicklingError: invalid load key, '{'.

Python information:

Variable Value

sys.version 2.3 (#3, Sep 17 2003, 20:05:44) [GCC 2.95.2 19991024 (release)]

sys.executable /usr/local/bin/python

sys.prefix /usr/local

sys.exec_prefix /usr/local

sys.path /usr/local

sys.platform sunos5

Variable	Value
`sys.version`	2.3 (#3, Sep 17 2003, 20:05:44) [GCC 2.95.2 19991024 (release)]
`sys.executable`	/usr/local/bin/python
`sys.prefix`	/usr/local
`sys.exec_prefix`	/usr/local
`sys.path`	/usr/local
`sys.platform`	sunos5

Environment variables:

Variable Value

SERVER_SOFTWARE Apache/1.3.27 (Unix) mod_perl/1.27 PHP/4.3.0

SCRIPT_NAME /mailman/listinfo

SERVER_SIGNATURE
Apache/1.3.27 Server at www.rootwizard.net 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)

TZ US/Central

SERVER_NAME www.rootwizard.net

REMOTE_ADDR 38.103.63.17

SERVER_PORT 80

SERVER_ADDR 10.16.253.198

DOCUMENT_ROOT /usr/local/apache/htdocs

HTTP_PRAGMA no-cache

PYTHONPATH /export/home/mailman

SCRIPT_FILENAME /export/home/mailman/cgi-bin/listinfo

SERVER_ADMIN root@rootwizard.net

HTTP_HOST www.rootwizard.net

HTTP_CONNECTION close

HTTP_CACHE_CONTROL no-cache

REQUEST_URI /mailman/listinfo

HTTP_ACCEPT Accept: application/xhtml+xml,text/html;q=0.9,text/plain;

GATEWAY_INTERFACE CGI/1.1

REMOTE_PORT 57188

HTTP_ACCEPT_LANGUAGE en-us,en;q=0.5

HTTP_ACCEPT_ENCODING gzip

UNIQUE_ID SJtR1goQ-cYAAAIIMGw

Variable	Value
`SERVER_SOFTWARE`	Apache/1.3.27 (Unix) mod_perl/1.27 PHP/4.3.0
`SCRIPT_NAME`	/mailman/listinfo
`SERVER_SIGNATURE`	Apache/1.3.27 Server at www.rootwizard.net 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)
`TZ`	US/Central
`SERVER_NAME`	www.rootwizard.net
`REMOTE_ADDR`	38.103.63.17
`SERVER_PORT`	80
`SERVER_ADDR`	10.16.253.198
`DOCUMENT_ROOT`	/usr/local/apache/htdocs
`HTTP_PRAGMA`	no-cache
`PYTHONPATH`	/export/home/mailman
`SCRIPT_FILENAME`	/export/home/mailman/cgi-bin/listinfo
`SERVER_ADMIN`	root@rootwizard.net
`HTTP_HOST`	www.rootwizard.net
`HTTP_CONNECTION`	close
`HTTP_CACHE_CONTROL`	no-cache
`REQUEST_URI`	/mailman/listinfo
`HTTP_ACCEPT`	Accept: application/xhtml+xml,text/html;q=0.9,text/plain;
`GATEWAY_INTERFACE`	CGI/1.1
`REMOTE_PORT`	57188
`HTTP_ACCEPT_LANGUAGE`	en-us,en;q=0.5
`HTTP_ACCEPT_ENCODING`	gzip
`UNIQUE_ID`	SJtR1goQ-cYAAAIIMGw