gistfile1.py

class ThisAdmin(admin.ModelAdmin):
    def get_urls(self):
        urls = super(ThisAdmin, self).get_urls()
        my_urls = patterns('',
        url(r'^all/$',
            self.admin_site.admin_view(all_objects),
            {'admin': self,},
            name='all_initiatives'),
        )
        return my_urls + urls