update_chroot: delete stale .pyc files from chromite

Leftover .pyc files can confuse Python when importing modules. We
already do this in run_tests in chromite, but not everyone does
that. update_chroot may be the best spot to add another one of these.

BUG=chromium:1017859
TEST=pyc files deleted from chromite when running ./update_chroot

Cq-Depend: chromium:1879705
Change-Id: I8e37577b722ba1ae002a83fe47f9e3eb6bb4ea69
Signed-off-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/1879515
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed