Hi @chengzhag ,
I got the following error while building the project. Seems like there are some missing files.
```
Building pyrender...
Run: cd external/mesh_fusion/librender && /home/user/anac…
### 🐛 Describe the bug
I wanted to calculate some jacobian from the output of an LSTM, so I use funcitonal_call and feed the parameter of LSTM as input.
```python
import torch
from torch.func i…