Similarly to 7a4285370f338a6653e8bb1a8fb99e3703683b6f, reading the username
using remoteusereval returns a bytes objects instead an utf-8 string.
This patch includes support for both string and bytes objects.
Signed-off-by: Konstantinos Natsakis <5933427+knatsakis@users.noreply.github.com>
fa080b8d92