Resolve "is_none predicate is actually is_not_none"

Closes #140 (closed)

added Security part::backend prio::1 type::bug labels

added 1 commit

• 8464dea5 - Fix is_none predicate to really return if an object is not set

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marked this merge request as ready

assigned to @nik and unassigned @hansegucker

merged

mentioned in commit 654a9758