added eta.py
added eta.py

Benjamin-Marks/Steer-Clear-Backend,beblount/Steer-Clear-Backend,RyanBeatty/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,beblount/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,SteerClearWM/Steer-Clear-Backend,beblount/Steer-Clear-Backend,beblount/Steer-Clear-Backend,Benjamin-Marks/Steer-Clear-Backend,RyanBeatty/Steer-Clear-Backend,RyanBeatty/Steer-Clear-Backend,Benjamin-Marks/Steer-Clear-Backend