tk.Label(self, text=prompt).pack() self.button_frame = tk.Frame(self) self.button_frame.pack(fill=tk.X) self.progressbar_frame = tk.Frame(self) self.progressbar_frame.pack(fill=tk.X) self.browser_frame = tk.Frame(self) self.browser_frame.pack(fill=tk.BOTH) self.current_location = "" self.selected_label = None self.labels = {} self.filter_metamodels = filter_metamodels self.destroy()