Inheritance of classes

[wojiazaiyugang]

Checklist

• [X] I have searched for similar issues.
• [X] For Python issues, I have tested with the latest development wheel.
• [X] I have checked the release documentation and the latest documentation (for master branch).

Describe the issue

same as https://github.com/isl-org/Open3D/issues/572

    class Test(o3d.geometry.TriangleMesh):
        pass

    if __name__ == '__main__':
        a = Test()

    TypeError: pybind11::init(): unable to convert returned instance to required alias class: no `Alias<Class>(Class &&)` constructor available

Steps to reproduce the bug

class Test(o3d.geometry.TriangleMesh):
        pass

    if __name__ == '__main__':
        a = Test()

    TypeError: pybind11::init(): unable to convert returned instance to required alias class: no `Alias<Class>(Class &&)` constructor available

Error message

No response

Expected behavior

No response

Open3D, Python and System information

- Operating system: Ubuntu 20.04
- Python version: Python 3.8
- Open3D version: 0.15.2
- System architecture: x86
- Is this a remote workstation?: no
- How did you install Open3D?: pip

Additional information

No response