This patch removes: A line assigning a variable to itself An assignment to a variable (chroot) that is never used. The above assignment also caused an error, "'NoneType' object has no attribute 'startswith'" Change-Id: Ib93c25fee4a0f7c1440de8067b086d8b96614796 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32654 Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>