Thanks Collin Anderson for the review.

This ensures consistency between Python 3.4+ and earlier versions.

Thanks Harry Percival for the report.

Thanks Claude Paroz for partial fix and Simon Charrette for review

Thanks maxi for the report, Shai Berger for his help with the patch
and Tim Graham for the review.

Thanks Tim Graham for the review.

Thanks "djbug" for the report.

Thanks lidaobing for the suggestion.

Thanks Shai Berger for review.

Refactored old tests that were rewritten 1:1 from doctests.

Thanks Claude Paroz for suggestions and review.

Thanks sky-chen for the report.

The issue only affects master; refs #23551.

This reverts commit abcf28a0.

Thanks gkoller for the report.

Fixed #23539 -- Added get_extra(), get_max_num(), and get_min_num() hooks to GenericInlineModelAdmin.

This is a reliqua from the early days of the modeltests/regressiontests era.

because the roles (specifically RESOURCE) are deprecated.
Also added optional support for creating views in tests, and made an
introspection test fail (rather than skip)  if a view cannot be created
due to lacking privileges.

Refs #18782

Thanks Tim Graham for review, and Josh Smeaton

and ReverseSingleRelatedObjectDescriptor so they actually return QuerySet
instances.

Also ensured that SingleRelatedObjectDescriptor.get_queryset() accounts
for use_for_related_fields=True.

This cleanup lays the groundwork for #23533.

Thanks Anssi Kääriäinen for the review.