Tweaks of docstrings for nx_pylab Fixes #587
Tweaks of docstrings for nx_pylab
Fixes #587

Thanks for reporting.

OrkoHunter/networkx,sharifulgeo/networkx,ghdk/networkx,goulu/networkx,dhimmel/networkx,aureooms/networkx,farhaanbukhsh/networkx,jakevdp/networkx,kai5263499/networkx,michaelpacer/networkx,ghdk/networkx,debsankha/networkx,kernc/networkx,blublud/networkx,jtorrents/networkx,tmilicic/networkx,jakevdp/networkx,NvanAdrichem/networkx,ionanrozenfeld/networkx,Sixshaman/networkx,chrisnatali/networkx,ghdk/networkx,debsankha/networkx,andnovar/networkx,harlowja/networkx,kernc/networkx,blublud/networkx,RMKD/networkx,dhimmel/networkx,bzero/networkx,chrisnatali/networkx,jni/networkx,farhaanbukhsh/networkx,RMKD/networkx,jakevdp/networkx,beni55/networkx,JamesClough/networkx,bzero/networkx,jni/networkx,blublud/networkx,dhimmel/networkx,kernc/networkx,chrisnatali/networkx,ltiao/networkx,cmtm/networkx,dmoliveira/networkx,RMKD/networkx,nathania/networkx,aureooms/networkx,nathania/networkx,ionanrozenfeld/networkx,yashu-seth/networkx,harlowja/networkx,sharifulgeo/networkx,jcurbelo/networkx,jni/networkx,harlowja/networkx,ionanrozenfeld/networkx,kai5263499/networkx,aureooms/networkx,sharifulgeo/networkx,dmoliveira/networkx,kai5263499/networkx,bzero/networkx,farhaanbukhsh/networkx,wasade/networkx,nathania/networkx,jfinkels/networkx,debsankha/networkx,jtorrents/networkx,SanketDG/networkx,dmoliveira/networkx