griffith start interrupts with "TypeError: value is of the wrong type for this column"

I successfully used griffith before. Don't know what changed the last few days (maybe some system updates).
----
~$ griffith
Traceback (most recent call last):
  File "/usr/bin/griffith", line 1466, in <module>
    griffith = Griffith(home_dir, config)
  File "/usr/bin/griffith", line 138, in __init__
    self.populate_treeview()
  File "/usr/bin/griffith", line 982, in populate_treeview
    main_treeview.populate(self, statement, where)
  File "/usr/share/griffith/lib/main_treeview.py", line 490, in populate
    addmovie(self, movie)
  File "/usr/share/griffith/lib/main_treeview.py", line 506, in addmovie
    setmovie(self, movie, myiter)
  File "/usr/share/griffith/lib/main_treeview.py", line 536, in setmovie
    treemodel.set_value(iter, 7, movie.year)
TypeError: value is of the wrong type for this column

~$ griffith --debug
2011-01-13T18:38:47: D: Griffith(gconsole:85): Starting Griffith 0.12.1
2011-01-13T18:38:47: D: Griffith(gconsole:86): Platform: Linux-2.6.37-020637rc6-generic-x86_64-with-Ubuntu-11.04-natty (posix)
2011-01-13T18:38:47: D: Griffith(gconsole:87): Dependencies:
gtk :: 2.22.0
gtk.glade :: 2.22.0
sqlalchemy :: 0.6.4
sqlite3 :: 2.6.0
reportlab :: 2.5
PIL :: True
psycopg2 :: 2.2.1 (dt dec mx ext pq3)
MySQLdb :: 1.2.2.final.0
chardet :: 2.0.1
sqlite :: False
2011-01-13T18:38:47: D: Griffith(griffith:1451): config file used: /home/user/.griffith/griffith.cfg
2011-01-13T18:38:47: I: Griffith(initialize:102): Using Griffith directory: /home/user/.griffith
/usr/share/griffith/lib/initialize.py:140: GtkWarning: GtkSpinButton: setting an adjustment with non-zero page size is deprecated
  define_widgets(self, gtk.glade.XML(gf))
2011-01-13T18:38:48: D: Griffith(sql:273): SELECT movies.number, movies.o_title, movies.title, movies.director, movies.poster_md5, movies.genre, movies.seen, movies.year, movies.runtime, movies.rating, movies.created, movies.updated
FROM movies ORDER BY movies.number ASC
Traceback (most recent call last):
  File "/usr/bin/griffith", line 1466, in <module>
    griffith = Griffith(home_dir, config)
  File "/usr/bin/griffith", line 138, in __init__
    self.populate_treeview()
  File "/usr/bin/griffith", line 982, in populate_treeview
    main_treeview.populate(self, statement, where)
  File "/usr/share/griffith/lib/main_treeview.py", line 490, in populate
    addmovie(self, movie)
  File "/usr/share/griffith/lib/main_treeview.py", line 506, in addmovie
    setmovie(self, movie, myiter)
  File "/usr/share/griffith/lib/main_treeview.py", line 536, in setmovie
    treemodel.set_value(iter, 7, movie.year)
TypeError: value is of the wrong type for this column