code: def filterContour(self, contour):
      if (
          not contour
          or contour[0][0] != "moveTo"
          or contour[-1][0] != "closePath"
          or len(contour) < 3
      ):
          return
      movePt = contour[0][1][0]
      lastSeg = contour[-2][1]
      if lastSeg and movePt != lastSeg[-1]:
          contour[-1:] = [("lineTo", (movePt,)), ("closePath", ())]
  
imports: from fontTools.pens.filterPen import ContourFilterPen
label_desc: Use image node_id 1 for calling the ExplicitClosingLinePen obj's underlying member method code with example usage: obj.filterContour(contour) without return types