[PR PATCH] [Closed]: selftest/hostconfig: fix ambiguous import for Python 3

[github at samba.org]

There's a closed pull request on the Samba Samba Github repository

selftest/hostconfig: fix ambiguous import for Python 3
https://github.com/samba-team/samba/pull/153
Description: Use relative path to import module within package and enable absolute
import.

Signed-off-by: Joe Guo <joeg at catalyst.net.nz>