STY: pep8 for npyio
STY: pep8 for npyio

Various pep8 fixes for npyio.py
Also reorganized the imports, and removed the unnecessary (I hope)
`_string_like = _is_string_like` statement.

AustereCuriosity/numpy,madphysicist/numpy,cjermain/numpy,mattip/numpy,rudimeier/numpy,mortada/numpy,dch312/numpy,hainm/numpy,chiffa/numpy,tdsmith/numpy,rudimeier/numpy,Eric89GXL/numpy,shoyer/numpy,pyparallel/numpy,immerrr/numpy,MaPePeR/numpy,kiwifb/numpy,dch312/numpy,moreati/numpy,musically-ut/numpy,KaelChen/numpy,skymanaditya1/numpy,drasmuss/numpy,solarjoe/numpy,rhythmsosad/numpy,ajdawson/numpy,mwiebe/numpy,behzadnouri/numpy,BMJHayward/numpy,dato-code/numpy,gfyoung/numpy,brandon-rhodes/numpy,GrimDerp/numpy,WillieMaddox/numpy,Anwesh43/numpy,anntzer/numpy,MSeifert04/numpy,gfyoung/numpy,jankoslavic/numpy,sinhrks/numpy,rajathkumarmp/numpy,ekalosak/numpy,jschueller/numpy,SunghanKim/numpy,mingwpy/numpy,ahaldane/numpy,ESSS/numpy,skymanaditya1/numpy,Yusa95/numpy,ContinuumIO/numpy,GaZ3ll3/numpy,githubmlai/numpy,larsmans/numpy,larsmans/numpy,ContinuumIO/numpy,cowlicks/numpy,tdsmith/numpy,pdebuyl/numpy,jonathanunderwood/numpy,rudimeier/numpy,utke1/numpy,BabeNovelty/numpy,kirillzhuravlev/numpy,brandon-rhodes/numpy,grlee77/numpy,musically-ut/numpy,moreati/numpy,jonathanunderwood/numpy,mathdd/numpy,numpy/numpy,mathdd/numpy,skymanaditya1/numpy,musically-ut/numpy,chiffa/numpy,jorisvandenbossche/numpy,ChristopherHogan/numpy,nbeaver/numpy,SiccarPoint/numpy,SiccarPoint/numpy,skwbc/numpy,rgommers/numpy,has2k1/numpy,ajdawson/numpy,ESSS/numpy,naritta/numpy,dimasad/numpy,ahaldane/numpy,numpy/numpy,BabeNovelty/numpy,GrimDerp/numpy,embray/numpy,jorisvandenbossche/numpy,ssanderson/numpy,CMartelLML/numpy,andsor/numpy,sonnyhu/numpy,tynn/numpy,groutr/numpy,grlee77/numpy,trankmichael/numpy,ssanderson/numpy,rgommers/numpy,shoyer/numpy,githubmlai/numpy,Yusa95/numpy,jorisvandenbossche/numpy,gfyoung/numpy,WarrenWeckesser/numpy,gmcastil/numpy,simongibbons/numpy,KaelChen/numpy,pdebuyl/numpy,sinhrks/numpy,numpy/numpy,skwbc/numpy,empeeu/numpy,jonathanunderwood/numpy,ChanderG/numpy,hainm/numpy,joferkington/numpy,solarjoe/numpy,groutr/numpy,ViralLeadership/numpy,bmorris3/numpy,rhythmsosad/numpy,grlee77/numpy,rajathkumarmp/numpy,empeeu/numpy,Eric89GXL/numpy,abalkin/numpy,sigma-random/numpy,pbrod/numpy,shoyer/numpy,joferkington/numpy,AustereCuriosity/numpy,mwiebe/numpy,sonnyhu/numpy,naritta/numpy,rgommers/numpy,pizzathief/numpy,ChanderG/numpy,stuarteberg/numpy,rgommers/numpy,WillieMaddox/numpy,dwillmer/numpy,abalkin/numpy,ViralLeadership/numpy,seberg/numpy,sonnyhu/numpy,mhvk/numpy,stuarteberg/numpy,tynn/numpy,groutr/numpy,drasmuss/numpy,moreati/numpy,dato-code/numpy,KaelChen/numpy,Anwesh43/numpy,charris/numpy,dato-code/numpy,ajdawson/numpy,gmcastil/numpy,ContinuumIO/numpy,GaZ3ll3/numpy,ChristopherHogan/numpy,charris/numpy,GrimDerp/numpy,WarrenWeckesser/numpy,ahaldane/numpy,joferkington/numpy,jankoslavic/numpy,endolith/numpy,mhvk/numpy,jschueller/numpy,mindw/numpy,pizzathief/numpy,MaPePeR/numpy,CMartelLML/numpy,cowlicks/numpy,sigma-random/numpy,charris/numpy,ChristopherHogan/numpy,mattip/numpy,Linkid/numpy,GrimDerp/numpy,mortada/numpy,leifdenby/numpy,SunghanKim/numpy,Srisai85/numpy,NextThought/pypy-numpy,chatcannon/numpy,solarjoe/numpy,dwillmer/numpy,Srisai85/numpy,argriffing/numpy,seberg/numpy,jankoslavic/numpy,MSeifert04/numpy,anntzer/numpy,ChristopherHogan/numpy,NextThought/pypy-numpy,immerrr/numpy,pyparallel/numpy,naritta/numpy,jakirkham/numpy,argriffing/numpy,bmorris3/numpy,hainm/numpy,kirillzhuravlev/numpy,ddasilva/numpy,WarrenWeckesser/numpy,maniteja123/numpy,mhvk/numpy,stuarteberg/numpy,kirillzhuravlev/numpy,rherault-insa/numpy,mortada/numpy,rherault-insa/numpy,felipebetancur/numpy,MaPePeR/numpy,has2k1/numpy,trankmichael/numpy,mhvk/numpy,mwiebe/numpy,Yusa95/numpy,tdsmith/numpy,pbrod/numpy,embray/numpy,nguyentu1602/numpy,kiwifb/numpy,dch312/numpy,cjermain/numpy,empeeu/numpy,pizzathief/numpy,abalkin/numpy,ajdawson/numpy,pbrod/numpy,MichaelAquilina/numpy,cowlicks/numpy,rhythmsosad/numpy,dwillmer/numpy,GaZ3ll3/numpy,WillieMaddox/numpy,drasmuss/numpy,brandon-rhodes/numpy,bertrand-l/numpy,madphysicist/numpy,yiakwy/numpy,Anwesh43/numpy,rmcgibbo/numpy,NextThought/pypy-numpy,SunghanKim/numpy,simongibbons/numpy,bertrand-l/numpy,leifdenby/numpy,joferkington/numpy,musically-ut/numpy,embray/numpy,trankmichael/numpy,gmcastil/numpy,pizzathief/numpy,nguyentu1602/numpy,embray/numpy,ESSS/numpy,madphysicist/numpy,nguyentu1602/numpy,jschueller/numpy,mingwpy/numpy,WarrenWeckesser/numpy,kirillzhuravlev/numpy,immerrr/numpy,felipebetancur/numpy,endolith/numpy,felipebetancur/numpy,rmcgibbo/numpy,anntzer/numpy,SiccarPoint/numpy,maniteja123/numpy,sigma-random/numpy,Eric89GXL/numpy,chiffa/numpy,Linkid/numpy,utke1/numpy,CMartelLML/numpy,simongibbons/numpy,jakirkham/numpy,BabeNovelty/numpy,mingwpy/numpy,andsor/numpy,bertrand-l/numpy,AustereCuriosity/numpy,mindw/numpy,MSeifert04/numpy,ekalosak/numpy,njase/numpy,jankoslavic/numpy,MaPePeR/numpy,mindw/numpy,Eric89GXL/numpy,dch312/numpy,bmorris3/numpy,simongibbons/numpy,cowlicks/numpy,MichaelAquilina/numpy,Srisai85/numpy,jakirkham/numpy,behzadnouri/numpy,skwbc/numpy,Linkid/numpy,mattip/numpy,felipebetancur/numpy,sinhrks/numpy,MichaelAquilina/numpy,dimasad/numpy,ChanderG/numpy,pizzathief/numpy,sinhrks/numpy,mingwpy/numpy,githubmlai/numpy,stuarteberg/numpy,mortada/numpy,has2k1/numpy,bringingheavendown/numpy,WarrenWeckesser/numpy,brandon-rhodes/numpy,BMJHayward/numpy,rajathkumarmp/numpy,Anwesh43/numpy,chatcannon/numpy,cjermain/numpy,BMJHayward/numpy,embray/numpy,GaZ3ll3/numpy,behzadnouri/numpy,chatcannon/numpy,hainm/numpy,rmcgibbo/numpy,pdebuyl/numpy,tynn/numpy,ekalosak/numpy,jschueller/numpy,nbeaver/numpy,cjermain/numpy,njase/numpy,endolith/numpy,madphysicist/numpy,bringingheavendown/numpy,ChanderG/numpy,mattip/numpy,ahaldane/numpy,seberg/numpy,jakirkham/numpy,jakirkham/numpy,rudimeier/numpy,utke1/numpy,immerrr/numpy,grlee77/numpy,Dapid/numpy,simongibbons/numpy,ddasilva/numpy,Dapid/numpy,pyparallel/numpy,seberg/numpy,jorisvandenbossche/numpy,rhythmsosad/numpy,ahaldane/numpy,empeeu/numpy,yiakwy/numpy,rajathkumarmp/numpy,anntzer/numpy,naritta/numpy,b-carter/numpy,shoyer/numpy,mhvk/numpy,dwillmer/numpy,andsor/numpy,MSeifert04/numpy,b-carter/numpy,dimasad/numpy,tacaswell/numpy,ddasilva/numpy,KaelChen/numpy,githubmlai/numpy,BMJHayward/numpy,Srisai85/numpy,maniteja123/numpy,numpy/numpy,madphysicist/numpy,shoyer/numpy,bmorris3/numpy,yiakwy/numpy,njase/numpy,grlee77/numpy,NextThought/pypy-numpy,pbrod/numpy,sonnyhu/numpy,CMartelLML/numpy,mathdd/numpy,has2k1/numpy,SunghanKim/numpy,kiwifb/numpy,leifdenby/numpy,Dapid/numpy,mathdd/numpy,pdebuyl/numpy,rmcgibbo/numpy,dimasad/numpy,ViralLeadership/numpy,BabeNovelty/numpy,tacaswell/numpy,andsor/numpy,bringingheavendown/numpy,trankmichael/numpy,rherault-insa/numpy,charris/numpy,b-carter/numpy,yiakwy/numpy,dato-code/numpy,jorisvandenbossche/numpy,pbrod/numpy,ssanderson/numpy,tacaswell/numpy,tdsmith/numpy,larsmans/numpy,ekalosak/numpy,MichaelAquilina/numpy,argriffing/numpy,endolith/numpy,Yusa95/numpy,Linkid/numpy,larsmans/numpy,skymanaditya1/numpy,sigma-random/numpy,MSeifert04/numpy,nbeaver/numpy,mindw/numpy,SiccarPoint/numpy,nguyentu1602/numpy