Tkinter - PhotoImage in module

# --- other.py ---

import tkinter as tk
import os

HOME = os.path.dirname(os.path.abspath(sys.argv[0]))

def load_images():
    return {
        'blanc': tk.PhotoImage(file=os.path.join(HOME, "blanc.gif")),
        #'blanc': tk.PhotoImage(file=os.path.join(HOME, "images", "blanc.gif")),
    }

# --- main.py ---

import tkinter as tk
import other

#images = other.load_images() #Too early to create image

root = tk.Tk()

images = load_images() # OK

l = tk.Label(root, image=images['blanc'])
l.pack()

root.mainloop()