Simple(Focus)ListWalker: don't shadow reversed builtin
Simple(Focus)ListWalker: don't shadow reversed builtin

--HG--
branch : feature-containers

Julian/urwid,tonycpsu/urwid,harlowja/urwid,hkoof/urwid,drestebon/urwid,harlowja/urwid,foreni-packages/urwid,bk2204/urwid,zyga/urwid,urwid/urwid,ivanov/urwid,harlowja/urwid,inducer/urwid,wardi/urwid,foreni-packages/urwid,hkoof/urwid,hkoof/urwid,rndusr/urwid,mountainstorm/urwid,westurner/urwid,foreni-packages/urwid,Julian/urwid,inducer/urwid,tonycpsu/urwid,urwid/urwid,rndusr/urwid,westurner/urwid,rndusr/urwid,inducer/urwid,douglas-larocca/urwid,wardi/urwid,tonycpsu/urwid,douglas-larocca/urwid,urwid/urwid,bk2204/urwid,Julian/urwid,mountainstorm/urwid,ivanov/urwid,wardi/urwid,drestebon/urwid,mountainstorm/urwid,bk2204/urwid,douglas-larocca/urwid,zyga/urwid,ivanov/urwid,westurner/urwid,drestebon/urwid,zyga/urwid