Circle is not circle

Rhino Rhino for Windows
1

Hi Pascal
in the attached file there is a sample of circle that is not circle in details.
This is a problem for PythonScript.
I duplicate some edge ed only one is a circle V5 latest SR
Ciao VittroioCircle is not circle.3dm (102.3 KB)

2

Hi Vittorio- are any of these holes moved during modeling?

-Pascal

3

Hi Pascal
I have not moved anything
Ciao Vittorio