Fix typehint on getRelationshipObserver#70

Jigsaw5279 wants to merge 1 commit intokirschbaum-development:masterkirschbaum-development/nova-inline-relationship:masterfrom

Jigsaw5279:jigsaw5279-patch-1Jigsaw5279/nova-inline-relationship:jigsaw5279-patch-1Copy head branch name to clipboard