Werk #7817: Fix host renaming in WATO

Component Setup
Title Fix host renaming in WATO
Date Jun 17, 2019
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.6.0b2 2.0.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The host renaming feature was broken for the WATO rules in 1.6.0b1. The function should rename all explicit host names in the rule conditions, but always resulted in an exception like this Exception: 'Rule' object has no attribute 'host_list'.

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