Pass the axis id into python as an integer
Pass the axis id into python as an integer

numpy complains when it is passed as a double.

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