Coach,
It is not traveling even if the ball didn't touch the backboard.
After a player shoots the ball there is no longer team nor player control. If you don't have player control, you can't travel.
If the official didn't know this rule, I wouldn't expect him to reverse it. The officials could get together, discuss the play quickly, and reverse the call if they wanted to. This rarely happens, usually on OOB plays. I have personally done this after I screwed up a backcourt call (it was on a throw-in and caught me off-guard and it wasn't backcourt).
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