Aljosa Mohorovic aljosa

## select_related_ignores_annotations.py
# AnnotatedModel has `is_valid` automatically annotated
# by the custom manager which is set as the default manager

instance = AnnotatedModel.objects.get(pk=1)
assert instance.is_valid is True # always set to True/False

# DifferentModel has FK to AnnotatedModel and
# the manager uses Prefetch to make sure all the
# annotations are there when related object is accessed
	# AnnotatedModel has `is_valid` automatically annotated
	# by the custom manager which is set as the default manager

	instance = AnnotatedModel.objects.get(pk=1)
	assert instance.is_valid is True # always set to True/False

	# DifferentModel has FK to AnnotatedModel and
	# the manager uses Prefetch to make sure all the
	# annotations are there when related object is accessed