python warning of sqrt for neg numbers
python warning of sqrt for neg numbers

thewtex/tomviz,cryos/tomviz,thewtex/tomviz,OpenChemistry/tomviz,cryos/tomviz,thewtex/tomviz,OpenChemistry/tomviz,cjh1/tomviz,Hovden/tomviz,mathturtle/tomviz,mathturtle/tomviz,Hovden/tomviz,yijiang1/tomviz,cjh1/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,cryos/tomviz,OpenChemistry/tomviz,yijiang1/tomviz,cjh1/tomviz