Sort of.
I have one male black pastel that is very intense in his hatred of other male snakes. He'll combat the clean shift if another male was in before him. This didn't use to be a problem, but in the last year he's decided to transfer his combat behavior onto me if I'm not careful with what he's exposed to, and he has now bitten me once in combat mode :O But he's a totally normal BP as long as I keep him away from other fresh male smells. I just make it a point to only put him in the clean shift after a lady :D
(tbh, I don't consider him a biter . . . other than the specific circumstance, he's actually a very gentle snake)





