def openWindow(path): global root root = tk.Tk() frame = Frame(root) frame.pack() t_btn = tk.Button(frame, text="True", width=12, command=toggle) btn_exit = tk.Button(frame, text="Exit", width=12, command=exit) t_btn.grid(row=0, column=0) btn_exit.grid(row=0, column=1, padx=10, pady=10) img = PIL.ImageTk(PIL.Image.open(path)) lab = Label(root, image=img) lab.pack(padx=10, pady=10) root.mainloop()