Tkinter : j'essaie de mettre une image dans un canevas : erreur

/usr/bin/python3.5 "/home/fabio/Documents/Jeu/Save your phone !!!.py"
Traceback (most recent call last):
  File "/home/fabio/Documents/Jeu/Save your phone !!!.py", line 16, in <module>
    app = fenetre()
  File "/home/fabio/Documents/Jeu/Save your phone !!!.py", line 13, in __init__
    self.game.create_image(0,0,fond)
  File "/usr/lib/python3.5/tkinter/__init__.py", line 2332, in create_image
    return self._create('image', args, kw)
  File "/usr/lib/python3.5/tkinter/__init__.py", line 2323, in _create

    
(args + self._options(cnf, kw))))_tkinter.TclError: unknown option "pyimage1"

#!/usr/bin/python
# -*- coding: utf-8 -*
import tkinter

root = tkinter.Tk()
fond = tkinter.PhotoImage(file='herbe.gif')

class fenetre (tkinter.Tk) :
    def __init__(self):
        super(fenetre, self).__init__()
        self.game=tkinter.Canvas(height=500, width=500)
        self.game.pack()
        self.game.create_image(0,0,fond)

if __name__ == '__main__':
    app = fenetre()
    app.title('Save your phone !!!')
    app.mainloop()