Flake8 fixes
Flake8 fixes

girder/girder,data-exp-lab/girder,Kitware/girder,RafaelPalomar/girder,data-exp-lab/girder,jbeezley/girder,adsorensen/girder,Xarthisius/girder,manthey/girder,RafaelPalomar/girder,adsorensen/girder,data-exp-lab/girder,manthey/girder,kotfic/girder,data-exp-lab/girder,RafaelPalomar/girder,Kitware/girder,kotfic/girder,jbeezley/girder,adsorensen/girder,RafaelPalomar/girder,Xarthisius/girder,kotfic/girder,RafaelPalomar/girder,jbeezley/girder,jbeezley/girder,manthey/girder,Kitware/girder,girder/girder,kotfic/girder,Xarthisius/girder,manthey/girder,adsorensen/girder,kotfic/girder,Xarthisius/girder,Kitware/girder,girder/girder,adsorensen/girder,data-exp-lab/girder,girder/girder,Xarthisius/girder