      def get_argument_list(self):
          argument_list = list()
          argument_list.append({"opts": ('-a', '--action'),
                                "dest": "action",
                                "choices": ("extract", "gen-vid", "get-fps",
                                            "get-info", "mux-audio", "rescale",
                                            "rotate", "slice"),
 
</s> remove         ctl.pack(side=tk.TOP, padx=5, pady=5, anchor=tk.W)
 </s> add         ctl.pack(side=tk.TOP, anchor=tk.W) </s> remove         chkright.pack(side=tk.RIGHT, anchor=tk.N, expand=True)
 </s> add         chkframe.pack(fill=tk.X, expand=True)
        chkleft.pack(padx=5, pady=5, fill=tk.X, expand=True, side=tk.LEFT, anchor=tk.N)
        chkright.pack(padx=5, pady=5, fill=tk.X, expand=True, side=tk.RIGHT, anchor=tk.N)
                              "action": Radio,
      def get_argument_list(self):
          argument_list = list()
          argument_list.append({"opts": ('-a', '--action'),
                              "action": Radio,
                                "dest": "action",
                                "choices": ("extract", "gen-vid", "get-fps",
                                            "get-info", "mux-audio", "rescale",
                                            "rotate", "slice"),
keep keep add keep keep keep keep
 Add radio buttons for certain GUI options 
tools/cli.py