def is_visible(self, group=-1, index=-1):
        """Check if the command is visible."""

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