It's fairly irrelevant. It will get through the Commons easily enough.
If the Lords try to block or delay it then I'm sure May will swiftly revive the proposed Lords reforms. It's not in their interests to risk their cushy jobs for life.
Also the judges ruled that devolved administrations don't have to be given any say in it so that's a blow for the likes of Sturgeon and whoever that Welsh guy in the papers yesterday.