Jinlai Zhang

The pth of MonoFlex cannot download

1

`wget https://download.openmmlab.com/mmdetection3d/v0.1.0_models/monoflex/monoflex_dla34_pytorch_dlaneck_gn-all_2x4_6x_kitti-mono3d_20211228_027553-d46d9bb0.pth` return ` 404：Not Found。`

bug

1

Pointnet2_PyTorch/pointnet2/models/pointnet2_ssg_cls.py", line 148, in validation_end for k in outputs[0]: IndexError: list index out of range

How to integrate with torch data?

1

If a torch data is ```python a = torch.rand(3) b = jt.float(a) ``` this can convert torch data to jittor, but how to convert jittor data to torch ?

Install not find with python 3.7

2

Collecting pptk Could not find a version that satisfies the requirement pptk (from versions: ) No matching distribution found for pptk

### Checklist - [X] I have searched for [similar issues](https://github.com/isl-org/Open3D-ML/issues). - [X] I have tested with the [latest development wheel](http://www.open3d.org/docs/latest/getting_started.html#development-version-pip). - [X] I have checked the [release documentation](http://www.open3d.org/docs/release/) and the...