Model from: https://huggingface.co/JunhaoZhuang/PowerPaint-v1

Based on `runwayml/stable-diffusion-inpainting`, the unet has been replaced with PowerPaint's unet, 
and the token embedding (P_ctxt, P_shape, P_obj) newly added by PowerPaint has been integrated into the text_encoder.

Download python file at [here](https://huggingface.co/Sanster/PowerPaint-V1-stable-diffusion-inpainting/tree/main), then run: 

```bash
python3 demo.py
```