TypeError: not all arguments converted during string formatting

[jomo]

How to Reproduce

While doing a GET operation on /tasklist, Trac issued an internal error.

(please provide additional details here)

System Information

Trac	0.11
Python	2.5.2 (r252:60911, Jul 12 2008, 12:33:46) [GCC 4.3.1]
setuptools	0.6c8
SQLite	3.5.9
pysqlite	2.4.1
Genshi	0.5
mod_python	3.3.1
Pygments	0.10
Subversion	1.5.0 (r31699)

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 423, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 197, in dispatch
    resp = chosen_handler.process_request(req)
  File "build/bdist.linux-i686/egg/tasklist/main.py", line 162, in process_request
    template, data, mime_type = self.display_html(req, query)
  File "/usr/lib/python2.5/site-packages/trac/ticket/query.py", line 862, in display_html
    tickets = query.execute(req, db)
  File "/usr/lib/python2.5/site-packages/trac/ticket/query.py", line 259, in execute
    self.num_items = self._count(sql, args, db)
  File "/usr/lib/python2.5/site-packages/trac/ticket/query.py", line 247, in _count
    cursor.execute(count_sql, args);
  File "/usr/lib/python2.5/site-packages/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 56, in execute
    sql = sql % (('?',) * len(args))
TypeError: not all arguments converted during string formatting

[Jonas Borgström]

This is most likely a problem with the ​th:TaskListPlugin and not Trac itself. Please open a ticket against the plugin itself ​here