graph.size update thanks to @jfinkels suggestions. See #1798.
graph.size update thanks to @jfinkels suggestions. See #1798.

SanketDG/networkx,jfinkels/networkx,JamesClough/networkx,Sixshaman/networkx,cmtm/networkx,goulu/networkx,andnovar/networkx,NvanAdrichem/networkx