Fixed P2PDistance
Fixed P2PDistance

Interface failed because tvtk is loaded with the default value
of ETSConfig.toolkit. Now it is initialized, so now the enthough.traitsui
does not look for $DISPLAY.

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