Runtime error in working with numpy example

    python working_with_numpy.py
xyz
[[-3.         -3.          0.17846472]
 [-2.985      -3.          0.17440115]
 [-2.97       -3.          0.17063709]
 ...
 [ 2.97        3.          0.17063709]
 [ 2.985       3.          0.17440115]
 [ 3.          3.          0.17846472]]
xyz_load
[[-3.         -3.          0.17846472]
 [-2.985      -3.          0.17440115]
 [-2.97       -3.          0.17063709]
 ...
 [ 2.97        3.          0.17063709]
 [ 2.985       3.          0.17440115]
 [ 3.          3.          0.17846472]]
Traceback (most recent call last):
  File "working_with_numpy.py", line 42, in <module>
    o3d.visualization.draw_geometries([img])
RuntimeError: [Open3D ERROR] [CreateCoordinateFrame] size <= 0