fix: allow contrast file to be an input and therefore hashed when content changes
fix: allow contrast file to be an input and therefore hashed when content changes

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