TypeError: unhashable type: 'list'

[ristok]

How to Reproduce

While doing a POST operation on /agilo-backlog, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'3_ts': u'2009-07-03 11:34:17+00:00',
 '4_ts': u'2009-07-03 11:36:10+00:00',
 '5_ts': u'2009-07-03 11:37:15+00:00',
 '__FORM_TOKEN': u'e6ac0dbf85d2e2221e76fd07',
 'chk_3': u'on',
 'col_3_rd_points': u'2',
 'col_3_story_priority': u'Mandatory',
 'col_4_rd_points': u'2',
 'col_4_story_priority': u'Mandatory',
 'col_5_rd_points': u'2',
 'col_5_story_priority': u'Mandatory',
 'delete': u'Delete Selected',
 'name': [u'Product Backlog', u'Product Backlog'],
 'pos_3': u'0',
 'pos_4': u'1',
 'pos_5': u'2'}

User Agent was: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729)

System Information

Trac	0.11.1
Python	2.6.2 (release26-maint, Apr 19 2009, 01:56:41) [GCC 4.3.3]
setuptools	0.6c9
SQLite	3.6.10
pysqlite	2.5.0
Genshi	0.5.1
Pygments	0.10
Agilo	0.7.4.1-r1624-20090611
jQuery:	1.2.6

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/trac/web/main.py", line 423, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.6/dist-packages/trac/web/main.py", line 197, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/local/lib/python2.6/dist-packages/agilo-0.7.4.1_r1624_20090611-py2.4.egg/agilo/scrum/web_ui/backlog.py", line 229, in process_request
    backlog = self._load_backlog(req, data)
  File "/usr/local/lib/python2.6/dist-packages/agilo-0.7.4.1_r1624_20090611-py2.4.egg/agilo/scrum/web_ui/backlog.py", line 308, in _load_backlog
    backlog = self._backlogs.get(backlog_name)
TypeError: unhashable type: 'list'

[rblank]

PluginIssue (Agilo), please report it to the plugin maintainer.