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

Kdtree.ipynb sample running on a jupyter notebook

```
Visualize the point cloud.
[Open3D WARNING] GLFW Error: GLX: Failed to create context: BadValue (integer parameter out of range for operation)
[Open3D WARNING] Failed to create window

---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
in
1 print("Visualize the point cloud.")
----> 2 o3d.visualization.draw_geometries([pcd],
3 zoom=0.5599,
4 front=[-0.4958, 0.8229, 0.2773],
5 lookat=[2.1126, 1.0163, -1.8543],

~/Documents/Open3D/examples/python/open3d_tutorial.py in jupyter_draw_geometries(geoms, window_name, width, height, left, top, point_show_normal, mesh_show_wireframe, mesh_show_back_face, lookat, up, front, zoom)
39 visible=True, # If false, capture_screen_float_buffer() won't work.
40 )
---> 41 vis.get_render_option().point_show_normal = point_show_normal
42 vis.get_render_option().mesh_show_wireframe = mesh_show_wireframe
43 vis.get_render_option().mesh_show_back_face = mesh_show_back_face
```