Is CD 5 a guaranteed DFL victory?

All data on prior elections suggests it's a difficult battle for any alternative to the DFL based on prior results for all offices. It's pretty clear a Republican won't win as the #'s even in the outer edges of the district are not in there favor. The question remains could a Green or Independence Party candidate give the DFL a good challenge. It still appears to be a long shot but maybe there is hope. The timing from Sabo is awful and could generate some negative coverage towards the DFL depending on what the insiders have known and what they've done with that information. In any event a hopeless district got slightly less hopeless.