code: def new_chart_graphicFrame(cls, id_, name, rId, x, y, cx, cy):
          
          graphicFrame = CT_GraphicalObjectFrame.new_graphicFrame(
              id_, name, x, y, cx, cy
          )
          graphicData = graphicFrame.graphic.graphicData
          graphicData.uri = GRAPHIC_DATA_URI_CHART
          graphicData.append(CT_Chart.new_chart(rId))
          return graphicFrame
docs: Return a ``<p:graphicFrame>`` element tree populated with a chart
          element.