def is_visible(self, command, group=-1, index=-1, args={}):
        """Determine if command should be visible in menu."""

        enabled = False
        if 0 >= group and index >= 0:
            view = get_group_view(self.window, group, index)
            if view is not None and view.file_name() is not None:
                enabled = view.is_dirty()
        return enabled
dataset/ETHPy150Open facelessuser/TabsExtra/tabs_extra.py/TabsExtraRevertCommand.is_visible/swapped operands of `>=`