Update preparation.md

docs/guidance/preparation.md

@@ -8,7 +8,7 @@ conda create -n simswap python=3.6
 conda activate simswap
 conda install pytorch==1.8.0 torchvision==0.9.0 torchaudio==0.8.0 cudatoolkit=10.2 -c pytorch
 (option): pip install --ignore-installed imageio
-pip install insightface==0.2.1 onnxruntime moviepy
+pip install insightface==0.2.1 onnxruntime-gpu==1.2.0 moviepy
 ```
 - We use the face detection and alignment methods from **[insightface](https://github.com/deepinsight/insightface)** for image preprocessing. Please download the relative files and unzip them to ./insightface_func/models from [this link](https://onedrive.live.com/?authkey=%21ADJ0aAOSsc90neY&cid=4A83B6B633B029CC&id=4A83B6B633B029CC%215837&parId=4A83B6B633B029CC%215834&action=locate).
 - We use the face parsing from **[face-parsing.PyTorch](https://github.com/zllrunning/face-parsing.PyTorch)** for image postprocessing. Please download the relative file and place it in ./parsing_model/checkpoint from [this link](https://drive.google.com/file/d/154JgKpzCPW82qINcVieuPH3fZ2e0P812/view).