fix: pipeline/utils: fix bugs related with py3k `map`
fix: pipeline/utils: fix bugs related with py3k `map`

mick-d/nipype,pearsonlab/nipype,iglpdc/nipype,FCP-INDI/nipype,FCP-INDI/nipype,carolFrohlich/nipype,sgiavasis/nipype,carolFrohlich/nipype,sgiavasis/nipype,mick-d/nipype,iglpdc/nipype,FCP-INDI/nipype,sgiavasis/nipype,iglpdc/nipype,sgiavasis/nipype,FCP-INDI/nipype,dgellis90/nipype,dgellis90/nipype,dgellis90/nipype,dgellis90/nipype,pearsonlab/nipype,iglpdc/nipype,mick-d/nipype,mick-d/nipype,carolFrohlich/nipype,carolFrohlich/nipype,pearsonlab/nipype,pearsonlab/nipype