Corner detection from point clouds is frozen?

[nonlinear1]

When I run "from ILCC import pcd_corners_est "and "pcd_corners_est.detect_pcd_corners()", the program is hanging and can generate some *.csv , but don't generate *.pkl. Could someone know why? the snap shot is as follows:

[nonlinear1]

I think this problem with cpython and eigen aligen !!!