fix code format
fix code format

mathturtle/tomviz,OpenChemistry/tomviz,thewtex/tomviz,OpenChemistry/tomviz,cjh1/tomviz,thewtex/tomviz,mathturtle/tomviz,OpenChemistry/tomviz,cryos/tomviz,thewtex/tomviz,cryos/tomviz,cryos/tomviz,cjh1/tomviz,cjh1/tomviz,OpenChemistry/tomviz,mathturtle/tomviz