Werk #11759: Fix broken "Discovery state" filter in customized view

Component

User interface

Title

Fix broken "Discovery state" filter in customized view

Date

Dec 8, 2020

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.1.0b1	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
2.0.0b2	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

After editing a view containing the filter "Discovery state", subsequent edits of the view created the crash report: TypeError (Only str and unicode values are allowed, got <class 'bool'>).

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