Dynamo curves question

So I was following along with Marcello Sgambelluri AU presentation and essentially what happened is when I created an intersection of 2 poly surfaces the lines are classified as ellipses and it will not bring them into Revit as model curves

. THe top image is before the modelcurve.bycurve and the bottom is after1

You could try to convert the ellipses to arcs with the following workaround: