Fix reference syntax in dominance.py
Fix reference syntax in dominance.py

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