Fix twitter cancellation in socialauth, too.
Fix twitter cancellation in socialauth, too.

https://unisubs.sifterapp.com/issues/1805

ReachingOut/unisubs,norayr/unisubs,eloquence/unisubs,ReachingOut/unisubs,pculture/unisubs,ReachingOut/unisubs,eloquence/unisubs,eloquence/unisubs,wevoice/wesub,norayr/unisubs,ofer43211/unisubs,eloquence/unisubs,wevoice/wesub,wevoice/wesub,ofer43211/unisubs,norayr/unisubs,norayr/unisubs,ujdhesa/unisubs,ofer43211/unisubs,pculture/unisubs,wevoice/wesub,ujdhesa/unisubs,ujdhesa/unisubs,pculture/unisubs,ujdhesa/unisubs,ofer43211/unisubs,ReachingOut/unisubs,pculture/unisubs