Ensure file handle is closed once sample is read
Ensure file handle is closed once sample is read

hotvulcan/whitehall,hotvulcan/whitehall,alphagov/whitehall,robinwhittleton/whitehall,ggoral/whitehall,alphagov/whitehall,ggoral/whitehall,alphagov/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,robinwhittleton/whitehall,askl56/whitehall,ggoral/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,YOTOV-LIMITED/whitehall,robinwhittleton/whitehall,ggoral/whitehall,askl56/whitehall