Use in rather than has_key for lookup.
Use in rather than has_key for lookup.

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