DOC: Make example work in python 3
DOC: Make example work in python 3

numpy/numpy,charris/numpy,shoyer/numpy,pbrod/numpy,rgommers/numpy,pdebuyl/numpy,abalkin/numpy,abalkin/numpy,jakirkham/numpy,Eric89GXL/numpy,tynn/numpy,mhvk/numpy,anntzer/numpy,rgommers/numpy,jorisvandenbossche/numpy,shoyer/numpy,mattip/numpy,Eric89GXL/numpy,mattip/numpy,charris/numpy,simongibbons/numpy,mhvk/numpy,jakirkham/numpy,jorisvandenbossche/numpy,gfyoung/numpy,abalkin/numpy,pizzathief/numpy,anntzer/numpy,ahaldane/numpy,pbrod/numpy,MSeifert04/numpy,anntzer/numpy,MSeifert04/numpy,tynn/numpy,mattip/numpy,b-carter/numpy,charris/numpy,simongibbons/numpy,gfyoung/numpy,pbrod/numpy,jorisvandenbossche/numpy,jorisvandenbossche/numpy,WarrenWeckesser/numpy,simongibbons/numpy,numpy/numpy,seberg/numpy,pbrod/numpy,madphysicist/numpy,MSeifert04/numpy,pizzathief/numpy,ahaldane/numpy,ahaldane/numpy,grlee77/numpy,shoyer/numpy,endolith/numpy,endolith/numpy,mhvk/numpy,gfyoung/numpy,jakirkham/numpy,madphysicist/numpy,WarrenWeckesser/numpy,WarrenWeckesser/numpy,solarjoe/numpy,grlee77/numpy,pdebuyl/numpy,jakirkham/numpy,madphysicist/numpy,mattip/numpy,seberg/numpy,charris/numpy,simongibbons/numpy,rgommers/numpy,WarrenWeckesser/numpy,grlee77/numpy,numpy/numpy,ahaldane/numpy,grlee77/numpy,shoyer/numpy,ahaldane/numpy,solarjoe/numpy,b-carter/numpy,pbrod/numpy,tynn/numpy,endolith/numpy,anntzer/numpy,madphysicist/numpy,mhvk/numpy,pizzathief/numpy,b-carter/numpy,seberg/numpy,madphysicist/numpy,mhvk/numpy,Eric89GXL/numpy,WarrenWeckesser/numpy,pizzathief/numpy,pizzathief/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,rgommers/numpy,Eric89GXL/numpy,solarjoe/numpy,jakirkham/numpy,pdebuyl/numpy,numpy/numpy,seberg/numpy,grlee77/numpy,shoyer/numpy,MSeifert04/numpy,pdebuyl/numpy,simongibbons/numpy,endolith/numpy