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
302	object.save() doesn't update, re-inserts	Manuzhai	Adrian Holovaty	"Probably something to do with [462]. My model:

{{{
class Post(meta.Model):
    fields = (
        meta.MZSlugField('slug', 'slug', prepopulate_from = ('title',)),
        meta.CharField('title', 'title', maxlength = 255),
        meta.DateTimeField('datetime', 'date created'),
        meta.DateTimeField('modified', 'date modified'),
        meta.TextField('content', 'post'),
        meta.ManyToManyField(Tag, filter_interface = meta.HORIZONTAL),
    )
    admin = meta.Admin(
        fields = (
            (None, {'fields': ('title', 'slug', 'datetime', 'content', 'tags')}$
        ),
        list_display = ('title', 'datetime', 'display_tags'),
        list_filter = ('datetime', 'tags'),
    )
    ordering = ('-datetime',)
    def __repr__(self):
        return self.title
    def display_tags(self):
        return ' '.join([obj.tag for obj in self.get_tag_list()])
    display_tags.short_description = 'Tags'
}}}

I'm doing this with the API, from the interactive interpreter."	defect	closed	contrib.admin		normal	fixed		paul.bowsher@…	Unreviewed	0	0	0	0	0	0