DOC: fix some doctest failures
DOC: fix some doctest failures

anntzer/numpy,simongibbons/numpy,grlee77/numpy,ahaldane/numpy,anntzer/numpy,mattip/numpy,jorisvandenbossche/numpy,pizzathief/numpy,grlee77/numpy,MSeifert04/numpy,mhvk/numpy,numpy/numpy,madphysicist/numpy,pbrod/numpy,jorisvandenbossche/numpy,pdebuyl/numpy,shoyer/numpy,madphysicist/numpy,pizzathief/numpy,seberg/numpy,mhvk/numpy,rgommers/numpy,seberg/numpy,charris/numpy,pbrod/numpy,shoyer/numpy,pizzathief/numpy,mattip/numpy,ahaldane/numpy,ahaldane/numpy,grlee77/numpy,abalkin/numpy,WarrenWeckesser/numpy,madphysicist/numpy,pbrod/numpy,mhvk/numpy,charris/numpy,madphysicist/numpy,grlee77/numpy,simongibbons/numpy,shoyer/numpy,WarrenWeckesser/numpy,anntzer/numpy,numpy/numpy,jakirkham/numpy,rgommers/numpy,mattip/numpy,grlee77/numpy,pbrod/numpy,jorisvandenbossche/numpy,simongibbons/numpy,MSeifert04/numpy,endolith/numpy,WarrenWeckesser/numpy,numpy/numpy,seberg/numpy,rgommers/numpy,pbrod/numpy,numpy/numpy,ahaldane/numpy,seberg/numpy,charris/numpy,endolith/numpy,mattip/numpy,charris/numpy,pizzathief/numpy,mhvk/numpy,endolith/numpy,mhvk/numpy,pdebuyl/numpy,pdebuyl/numpy,endolith/numpy,jakirkham/numpy,shoyer/numpy,pdebuyl/numpy,madphysicist/numpy,jakirkham/numpy,MSeifert04/numpy,jakirkham/numpy,WarrenWeckesser/numpy,shoyer/numpy,abalkin/numpy,MSeifert04/numpy,jakirkham/numpy,anntzer/numpy,jorisvandenbossche/numpy,simongibbons/numpy,ahaldane/numpy,rgommers/numpy,jorisvandenbossche/numpy,simongibbons/numpy,MSeifert04/numpy,abalkin/numpy,pizzathief/numpy,WarrenWeckesser/numpy