def get_or_add_xfrm(self):
        return self.spPr.get_or_add_xfrm()
Return the ``<a:xfrm>`` grandchild element, newly-added if not
dataset/ETHPy150Open scanny/python-pptx/pptx/oxml/shapes/shared.py/BaseShapeElement.get_or_add_xfrm