ModuleNotFoundError: No module named 'open_clip'

[coronet1127]

Error loading script: tokenizer.py
Traceback (most recent call last):
File "C:\Users\coron\OneDrive\デスクトップ\stable-diffusion-webui-master\stable-diffusion-webui-master\modules\scripts.py", line 170, in load_scripts
exec(compiled, module.dict)
File "C:\Users\coron\OneDrive\デスクトップ\stable-diffusion-webui-master\stable-diffusion-webui-master\extensions\stable-diffusion-webui-tokenizer\scripts\tokenizer.py", line 5, in
import open_clip.tokenizer
ModuleNotFoundError: No module named 'open_clip'