How to prevent hunter from killing other hunters with bazooka?

[ORDI]

		Callback_PlayerDamage(eInflictor, eAttacker, iDamage, iDFlags, sMeansOfDeath, sWeapon, vPoint, vDir, sHitLoc, psOffsetTime)
{
    if(self.sessionteam == "spectator")
        return;
        
    if (isdefined(eAttacker) && isdefined(self) && eAttacker == self && sWeapon == "rpg_mp")// the bazooka
        return;