def notfound():
    return HttpError(404)
The ``<a:xfrm>`` grandchild element or |None| if not found
dataset/ETHPy150Open michaelliao/transwarp/transwarp/web.py/notfound--crossover with--dataset/ETHPy150Open scanny/python-pptx/pptx/oxml/shapes/groupshape.py/CT_GroupShape.xfrm