Add a Shot to :attr:`shots`, applying our survey's :attr:`declination` to it.

def add_shot(self, shot):
        """Add a Shot to :attr:`shots`, applying our survey's :attr:`declination` to it."""
        shot.declination = self.declination
        if shot.is_splay:
            self.splays[shot['FROM']].append(shot)
        self.shots.append(shot)