Werk #10042: Fix exception caused by autochecks with integers as items

Component Core & setup
Title Fix exception caused by autochecks with integers as items
Date Sep 13, 2019
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.6.0b10 2.0.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The calculation of check parameters during activate changes or checking could cause an exception like "TypeError: expected string or buffer" when a discovery function of a check created services using integers as items instead of strings.

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