I hit a wire under the attic floor with a wood screw and it tripped the breaker and I removed the screw and the breaker switched back on fine do I need to pulls the flooring up and check the wire

Abso-freakin-loutely!!

Best answer I have seen in a long time. Short and to the point.

Chuck

Awesome...

Sure you do, your have pierced the insulation which could start a fire