id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
23722	Empty QuerySet return error after performing qs.none().count()	Vasyl Stanislavchuk	nobody	"{{{
obj.add_count_column()
number = obj.get_aggregation(using=using)[None]

# Apply offset and limit constraints manually, since using LIMIT/OFFSET

KeyError: None
}}}"	Bug	closed	Database layer (models, ORM)	1.7	Normal	invalid	queryset, sql		Unreviewed	0	0	0	0	0	0