Segmentation fault (core dumped) when run examples/demo_sequential.py

[anran1231]

PatchWorkpp::estimateGround() - Estimation starts ! PatchWorkpp::reflected_noise_removal() - Number of Noises : 1 PatchWorkpp::flush_patches() - Flushed patches successfully! PatchWorkpp::pc2czm() - Divides pointcloud into the concentric zone model successfully PatchWorkpp::pc2czm() - Divides pointcloud into the concentric zone model successfully Time taken : 0.028435(sec) ~ 0.005599(czm) + 0.006544(sort) + 0.010535(pca) + 0.00127(estimate) PatchWorkpp::estimateGround() - Estimation is finished ! Origianl Points #: 124668 Ground Points #: 72665 Nonground Points #: 52003 Time Taken : 0.028435 (sec) PatchWorkpp::estimateGround() - Estimation starts ! [1] 41741 segmentation fault (core dumped) python examples/python/demo_sequential.py