Fix GML parser compatibility with Python 3.2
Fix GML parser compatibility with Python 3.2

sharifulgeo/networkx,andnovar/networkx,bzero/networkx,dhimmel/networkx,sharifulgeo/networkx,ghdk/networkx,jni/networkx,ltiao/networkx,dmoliveira/networkx,OrkoHunter/networkx,jakevdp/networkx,ionanrozenfeld/networkx,cmtm/networkx,kernc/networkx,bzero/networkx,jakevdp/networkx,debsankha/networkx,harlowja/networkx,jcurbelo/networkx,RMKD/networkx,RMKD/networkx,goulu/networkx,sharifulgeo/networkx,farhaanbukhsh/networkx,nathania/networkx,farhaanbukhsh/networkx,kernc/networkx,tmilicic/networkx,ghdk/networkx,SanketDG/networkx,beni55/networkx,NvanAdrichem/networkx,ionanrozenfeld/networkx,yashu-seth/networkx,RMKD/networkx,debsankha/networkx,chrisnatali/networkx,harlowja/networkx,farhaanbukhsh/networkx,dhimmel/networkx,dmoliveira/networkx,bzero/networkx,ghdk/networkx,aureooms/networkx,kernc/networkx,aureooms/networkx,debsankha/networkx,michaelpacer/networkx,blublud/networkx,jni/networkx,harlowja/networkx,nathania/networkx,dhimmel/networkx,Sixshaman/networkx,blublud/networkx,jfinkels/networkx,ionanrozenfeld/networkx,jakevdp/networkx,wasade/networkx,aureooms/networkx,chrisnatali/networkx,nathania/networkx,chrisnatali/networkx,JamesClough/networkx,jni/networkx,blublud/networkx,dmoliveira/networkx