Added tag cubicweb-version-3.15.1 for changeset 783a5df54dc7
importConfigParsertry:undo_actions=config.cfgfile_parser.get('MAIN','undo-support',False)exceptConfigParser.NoOptionError:pass# this conf. file was probably already migratedelse:config.global_set_option('undo-enabled',bool(undo_actions))