fix: flat and exec graph show proper connections
fix: flat and exec graph show proper connections

gerddie/nipype,rameshvs/nipype,FredLoney/nipype,fprados/nipype,carlohamalainen/nipype,carlohamalainen/nipype,pearsonlab/nipype,grlee77/nipype,christianbrodbeck/nipype,dmordom/nipype,pearsonlab/nipype,FCP-INDI/nipype,arokem/nipype,iglpdc/nipype,grlee77/nipype,rameshvs/nipype,JohnGriffiths/nipype,dgellis90/nipype,gerddie/nipype,mick-d/nipype_source,mick-d/nipype,sgiavasis/nipype,FCP-INDI/nipype,mick-d/nipype_source,glatard/nipype,Leoniela/nipype,gerddie/nipype,rameshvs/nipype,sgiavasis/nipype,dmordom/nipype,FredLoney/nipype,Leoniela/nipype,arokem/nipype,carolFrohlich/nipype,blakedewey/nipype,rameshvs/nipype,arokem/nipype,grlee77/nipype,JohnGriffiths/nipype,fprados/nipype,sgiavasis/nipype,blakedewey/nipype,dgellis90/nipype,iglpdc/nipype,blakedewey/nipype,grlee77/nipype,iglpdc/nipype,carolFrohlich/nipype,glatard/nipype,pearsonlab/nipype,mick-d/nipype,dgellis90/nipype,FCP-INDI/nipype,carolFrohlich/nipype,iglpdc/nipype,mick-d/nipype_source,Leoniela/nipype,dmordom/nipype,glatard/nipype,blakedewey/nipype,sgiavasis/nipype,JohnGriffiths/nipype,christianbrodbeck/nipype,wanderine/nipype,wanderine/nipype,mick-d/nipype,fprados/nipype,carolFrohlich/nipype,mick-d/nipype,dgellis90/nipype,wanderine/nipype,wanderine/nipype,arokem/nipype,glatard/nipype,FredLoney/nipype,carlohamalainen/nipype,pearsonlab/nipype,JohnGriffiths/nipype,FCP-INDI/nipype,gerddie/nipype