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
16134	django.db.models.fields.Field instance can not be compared with None	amcharg@…	Christopher Adams	"Instances of django.db.models.fields.Field can not be compared with None. Eg: field == None

Repro: Compare a field instance with None. This fails since __cmp__ assumes the other operand is a field instance and __eq__ and __ne__ are not defined."	Bug	closed	Database layer (models, ORM)	1.3	Normal	fixed		hongshuning@… stefano.borgia@…	Accepted	1	0	0	1	1	0