Clarify input type. Remove multigraph guard.
Clarify input type. Remove multigraph guard.

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