问如何解决Python Tkinter错误，“过早创建图像”？

EN

from Tkinter import *
from pprint import pprint

# Which variable is currently updating
from variableColors import Variables
VariableIndex = 0               
VariableText = Variables[VariableIndex]

Ids = None             # Current canvas ids of the text and 4 player tokens:
                       # Will be None if not committed

VariableCoords = { }       # Where store variable and coordinates


im = PhotoImage(file="C:\Users\Kiki\Desktop\Assignment\\")
photo = can.create_image(0,0,anchor=NW, image=im)

can.pack()


root.mainloop()