Not a straight answer?
OK, we know Mays screwed it up but aren’t they still in process?
The Brits are in [final] process, but still not out.
Terms and approval of same are still open.
She proposed the worst of all Brexit deals, the MPs were sure to reject it, so she refused to allow it to be voted on.
Theresa May calls off MPs’ vote on her Brexit deal
https://www.bbc.com/news/uk-politics-46509288
Her bad deal would have left them with bills for the EU, forced to obey a bunch of EU mandates and no authority to control immigration and trade.