crash - Making Tkinter Photoimage crashes python program -


i'm writing minesweeper game using tkinter, , appears function alright, python crashes every time after number of clicks, , believe because i've added images "flags" used flag mine is. below function draws of cells, called each move/click.

def draw_cake_cell(canvas, row, col):     # draws different cells on board (blank cell, numbers, cake flags)      margin = 5     cellsize = 30     board = canvas.data['board']     mask = canvas.data['mask']     cake_count = canvas.data['cake_count']     player_board = canvas.data['player_board']     left = margin + col*cellsize     top = margin + row*cellsize     bottom = top + cellsize     right = left+cellsize     flag_img = photoimage(file="flag.gif")     flag_label = label(image = flag_img)     flag_label.image = flag_img     cake_img = photoimage(file = "cakeflag.gif")     cake_label = label(image = cake_img)     cake_label.image = cake_img     canvas.create_rectangle(left,top, right, bottom, fill = 'gray')     if board[row][col] == -1:        if canvas.data['isgameover'] == true:             canvas.create_image((left+right)/2,(top+bottom)/2,image = cake_img)     elif mask[row][col] == -2:         canvas.create_image((left+right)/2,(top+bottom)/2,image = flag_img)     else:        if cake_count[row][col] > 0 , player_board[row][col] == 1:             value = cake_count[row][col]             canvas.create_rectangle(left,top,right,bottom, fill = 'white')             canvas.create_text((left+right)/2,(top+bottom)/2 , text = str(value), font = ('helvetica',12))                     if mask[row][col] == -2:             canvas.create_image((left+right)/2,(top+bottom)/2,image = flag_img)        if cake_count[row][col] == 0 , player_board[row][col] == 1:             canvas.create_rectangle(left,top,right,bottom, fill = 'white') 

since using python3, (left+right)/2 float, not int. maybe that's problem - use (left+right)//2.


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