def __init__(self, parent, controller):
tk.Frame.__init__(self, parent)
label = ttk.Label(self, text="Checking System Configuration...\nPlease be patient", font=LARGE_FONT)
label.pack(pady=10,padx=10)
self.progress = ttk.Progressbar(self, orient="horizontal",
length=200, mode="determinate")
self.progress.pack()
self.bytes = 0
self.maxbytes = 0
self.start()
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