Correct spacing in docs python
Correct spacing in docs python

(refs #6699)

milljm/moose,bwspenc/moose,lindsayad/moose,milljm/moose,idaholab/moose,liuwenf/moose,backmari/moose,yipenggao/moose,nuclear-wizard/moose,backmari/moose,Chuban/moose,permcody/moose,liuwenf/moose,andrsd/moose,permcody/moose,lindsayad/moose,YaqiWang/moose,nuclear-wizard/moose,liuwenf/moose,Chuban/moose,idaholab/moose,jessecarterMOOSE/moose,milljm/moose,bwspenc/moose,dschwen/moose,YaqiWang/moose,andrsd/moose,laagesen/moose,liuwenf/moose,Chuban/moose,sapitts/moose,harterj/moose,andrsd/moose,friedmud/moose,laagesen/moose,SudiptaBiswas/moose,bwspenc/moose,laagesen/moose,nuclear-wizard/moose,SudiptaBiswas/moose,dschwen/moose,stimpsonsg/moose,idaholab/moose,jessecarterMOOSE/moose,jessecarterMOOSE/moose,harterj/moose,bwspenc/moose,laagesen/moose,YaqiWang/moose,friedmud/moose,permcody/moose,yipenggao/moose,laagesen/moose,dschwen/moose,sapitts/moose,SudiptaBiswas/moose,SudiptaBiswas/moose,sapitts/moose,sapitts/moose,joshua-cogliati-inl/moose,joshua-cogliati-inl/moose,harterj/moose,bwspenc/moose,nuclear-wizard/moose,lindsayad/moose,YaqiWang/moose,friedmud/moose,dschwen/moose,backmari/moose,idaholab/moose,liuwenf/moose,stimpsonsg/moose,milljm/moose,lindsayad/moose,jessecarterMOOSE/moose,Chuban/moose,stimpsonsg/moose,jessecarterMOOSE/moose,joshua-cogliati-inl/moose,SudiptaBiswas/moose,yipenggao/moose,friedmud/moose,stimpsonsg/moose,yipenggao/moose,harterj/moose,milljm/moose,andrsd/moose,harterj/moose,andrsd/moose,permcody/moose,dschwen/moose,sapitts/moose,joshua-cogliati-inl/moose,lindsayad/moose,backmari/moose,liuwenf/moose,idaholab/moose