Fixed and added test for exec_command argument execute_in.
Fixed and added test for exec_command argument execute_in.

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