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 26520 Undo #24621 to make session.pop raise a KeyError again Tobias Krönke nobody "The fix of https://code.djangoproject.com/ticket/24621 led to always providing a default to session's dict method pop. This prevents a KeyError to ever be thrown, which should be expected by a pop-function. Pull request is https://github.com/django/django/pull/6480" Bug new contrib.sessions 1.9 Normal Unreviewed 1 0 0 0 1 0