def appendContour(self, contour):
        assert contour not in self._contours
        self.insertContour(len(self._contours), contour)
Sets the Content-Length, Content-Disposition, Content-Type, and also
dataset/ETHPy150Open typesupply/defcon/Lib/defcon/objects/glyph.py/Glyph.appendContour--crossover with--dataset/ETHPy150Open girder/girder/girder/utility/abstract_assetstore_adapter.py/AbstractAssetstoreAdapter.setContentHeaders