fix: test and pep-8 cleanup
fix: test and pep-8 cleanup

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