Fix for FUGUE interface
Fix for FUGUE interface

Run autopep8 on preprocess.py. autopep8 would not correct some error
though (those that might change code's behaviour, like breaklines)
Note: I had a broken fork of nipype, disregard previous reference from
commit.

Close nipy/nipype#642.

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