Werk #11922: Fix TypeError in case of "None" value for status host

Component GUI
Title Fix TypeError in case of "None" value for status host
Date Jan 22, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1 2.0.0b6
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Among other things, the sidebar snapin "Site Status" could crash if a site was disabled that has a "None" value configured in the status host configuration.

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