No module named 'face_alignment' in V1

[BCL123456-BAL]

I want to realize Images to Images Face Swapping, so I read Paper Models Inference.
First
I run 'python download_fsgan_models.py' and 'git checkout v1'
Then
I run the command '' python D:\Desktop\fsgan\inference\face_swap_images2images.py D:\Desktop\000015.jpg -t D:\Desktop\000012.jpg -o D:\desktop\output''
Finally
It throw the error ''ModuleNotFoundError: No module named 'face_alignment''
The image as follow:

The project in D:\Desktop, I set environment variable 'PYTHONPATH' = 'D:\Desktop'
l also search the module in the project file and conda packages, but the result show none.

[YuvalNirkin]

Add the package with the following command:
pip install face-alignment

I'll add it to the install configuration.

[BCL123456-BAL]

I'm sorry to trouble you again.
It throws a new error ''AttributeError: partially initialized module 'cv2' has no attribute 'gapi_wip_gst_GStreamerPipeline' (most likely due to a circular import)''.
Since I haven't had a deep understanding of the project, and the project is a big one, I can't solve this problem quickly through Google.
This is error image

[battlesaint]

I'm sorry to trouble you again. It throws a new error ''AttributeError: partially initialized module 'cv2' has no attribute 'gapi_wip_gst_GStreamerPipeline' (most likely due to a circular import)''. Since I haven't had a deep understanding of the project, and the project is a big one, I can't solve this problem quickly through Google. This is error image

pip install opencv-contrib-python --upgrade