Fix help string for Host routes

Closes-Bug: 1219520
Change-Id: Ia70e91e566c8e1788b3972946dae10d9bebb6735
"# noqa" cleanup

This patch set replaces a few method imports with
module imports instead of "# noqa" comments.

Fixes bug 1219676

Change-Id: I4d99ec5cda556669737c1eae2f528fbd35590d60
Merge "Fix help string for Host routes"