[Bug 4191] gnome-sudoku crashes on startup/won't start

[Jeroen van Splunder]

Public bug report changed:
https://launchpad.net/malone/bugs/4191

Comment:
On my sister's computer, gnome-sudoku _does_ start up, but won't load a
new level. Output:

nicolette at nicolette:~$ gnome-sudoku
starting timer
Strange
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/sudoku.py", line 118, in add
    self.remove(x,y)
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/sudoku.py", line 144, in remove
    self.rows[y].remove(val)
TypeError: unhashable type
We already have  107 !
starting timer
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/gnome_sudoku.py", line 441, in new_cb
    self.gsd.change_grid(puz,9)
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/gsudoku.py", line 303, in change_grid
    self.blank_grid()
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/gsudoku.py", line 297, in blank_grid
    self.remove(x,y)
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/gsudoku.py", line 421, in remove
    self.grid.add(linked_entry.x,linked_entry.y,linked_entry.get_value())
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/sudoku.py", line 515, in add
    SudokuGrid.add(self,x,y,val,*args,**kwargs)
  File "/usr/lib/python2.4/site-packages/gnome_sudoku/sudoku.py", line 126, in add
    raise ConflictError(TYPE_ROW,(x,y),val)
gnome_sudoku.sudoku.ConflictError: (0, (2, 2), 3)
nicolette at nicolette:~$