Input a series of Tyson polygons into a python script as an array

just like this, I created a series of Tyson polygons based on a rectangle in grasshopper, and then I wanted to input the Tyson polygons as an array into my python script to use them.
However, when I do that in the diagram, the python code reports the following error: :“TypeError: ‘PolylineCurve’ object is not subscriptable”

You’re going to have to post the file with all geometry inputs internalised, if anyone is to help debug it:

You mean Thiessen Polygons ??? (aka Voronoi Polygons) .Other than that as Anders said.