Ensure the reference count is incremented before "steal"
Ensure the reference count is incremented before "steal"

The reference count need to be incremented before PyTuple_SET_ITEM
"steals" a reference.

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