Open3d: ImportError: No module named linux

[eyildiz-ugoe]

IMPORTANT: Please use the following template to report the bug.

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Describe the bug
An import problem, fresh install and it doesn't work.

To Reproduce
Steps to reproduce the behavior:

1. Open a terminal and start Python 2.
2. Import the library and get the error.

Python 2.7.15rc1 (default, Nov 12 2018, 14:31:15) 
[GCC 7.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import open3d
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/open3d/__init__.py", line 9, in <module>
    from open3d.linux import *
ImportError: No module named linux
>>> exit()

Expected behavior
Expected to import the library.

Environment (please complete the following information):

• OS: Ubuntu 18.04
• Python version: 2.7
• Open3D version: 0.3.0
• Is this remote workstation?: no
• How did you install Open3D?: pip

[yxlao]

Please install open3d 0.5.0 since version 0.3.0 is no longer supported. If there is an old version already installed, use

pip install open3d-python -U

to upgrade.