Reformat node_wrapper to conform with PEP008.
Reformat node_wrapper to conform with PEP008.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@397 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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