If the Blairites put forward a candidate to oppose him, Corbyn should stand on a policy of mandatory re-selection for all Labour Party MPs. He can position himself as the anti-establishment revolutionary who wants to put an end to career politicians using Labour seats as a lifetime ticket to the Westminster establishment club. Corbyn’s proposition should be that if Labour MPs don’t serve the interests of the people who elected them, the people who elected them can replace them with someone who will.

How Corbyn could use a Blairite coup attempt to his advantage
https://anotherangryvoice.blogspot.co.uk/2016/06/how-corbyn-could-use-blairite-coup.html