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
16308	CheckboxSelectMultiple can not show the data on the view	jekyllhy3@…	nobody	"CheckboxSelectMultiple can not show the data on the view.

when the form use CheckboxSelectMultiple, it can not show the data on view.

problem code :
class CheckboxSelectMultiple(SelectMultiple):
    def render(self, name, value, attrs=None, choices=()):
        if value is None: value = []
        has_id = attrs and 'id' in attrs
        final_attrs = self.build_attrs(attrs, name=name)
        output = [u'<ul>']
        # Normalize to strings
        str_values = set([force_unicode(v) for v in value])

solustion:
 str_values = set([force_unicode(v) for v in '''eval'''(value)])"	Uncategorized	new	Documentation	1.3	Normal		Checkbox Select Multiple		Unreviewed	0	0	0	0	0	0