Ensure xml object is viable before testing family type
Ensure xml object is viable before testing family type

The-Compiler/pytest,nicoddemus/pytest,RonnyPfannschmidt/pytest,tomviner/pytest,hackebrot/pytest,alfredodeza/pytest,pytest-dev/pytest,Akasurde/pytest,The-Compiler/pytest,tomviner/pytest,markshao/pytest,nicoddemus/pytest