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 7104,date_hierarchy in admin broken for multi-table inheritance,sorrison@…,nobody,"Specifying date_hierarchy breaks the admin when the date field is in the parent model. ",,closed,contrib.admin,dev,,duplicate,date_hierarchy inheritance,,Unreviewed,0,0,0,0,0,0