AttributeError: 'NoneType' object has no attribute 'point_size'

[SUPER-ALEX]

(oishape_bm) root@autodl-container-5e5249940a-c4ef59ac:~/OakInk-Grasp-Generation# python scripts/grasp_new_obj.py --obj_path assets/hand_mesh_watertight.obj --n_grasps 10

2024-05-14 00:21:21,823 [ INFO] Using 1 GPUS
2024-05-14 00:21:21,981 [ INFO] => Loading CoarseNet pretrained model from: checkpoints/grabnet_oishape/CoarseNet.pth.tar
2024-05-14 00:21:22,026 [ INFO] => Loading SUCCEEDED
2024-05-14 00:21:22,128 [ INFO] => Loading RefineNet pretrained model from: checkpoints/grabnet_oishape/RefineNet.pth.tar
2024-05-14 00:21:22,143 [ INFO] => Loading SUCCEEDED
[Open3D WARNING] GLFW Error: X11: The DISPLAY environment variable is missing
[Open3D WARNING] Failed to initialize GLFW
Traceback (most recent call last):
File "/root/OakInk-Grasp-Generation/scripts/grasp_new_obj.py", line 173, in
grasp_new_obj(arg, exp_time)
File "/root/OakInk-Grasp-Generation/scripts/grasp_new_obj.py", line 110, in grasp_new_obj
viz_ctx.init()
File "/root/OakInk-Grasp-Generation/lib/viztools/viz_o3d_utils.py", line 57, in init
self.vis.get_render_option().point_size = point_size
AttributeError: 'NoneType' object has no attribute 'point_size'

[lixiny]

The error is traced back to open3D:

[Open3D WARNING] GLFW Error: X11: The DISPLAY environment variable is missing
[Open3D WARNING] Failed to initialize GLFW

you need to either start X11 server or plug a screen on you machine.