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
23679	varchar(255) converted into varchar(255) NOT NULL after inspectdb followed by migrate	Paul Dejean	nobody	"show create table on the original database yields:

`device_mac_ethernet` varchar(255) DEFAULT NULL

inspectdb convert this into:

models.CharField(max_length=255, blank=True)

makemigrations followed by migrate converts that into:

`device_mac_ethernet` varchar(255) NOT NULL"	Bug	closed	Core (Management commands)	1.7	Normal	fixed			Ready for checkin	1	0	0	0	0	0