[fix] use py2/3 compatibility layer
[fix] use py2/3 compatibility layer

misnyo/searx,jcherqui/searx,asciimoo/searx,jibe-b/searx,jcherqui/searx,jibe-b/searx,jcherqui/searx,dalf/searx,misnyo/searx,jibe-b/searx,jcherqui/searx,dalf/searx,asciimoo/searx,misnyo/searx,asciimoo/searx,misnyo/searx,dalf/searx,jibe-b/searx,dalf/searx,asciimoo/searx