ModuleNotFoundError: No module named 'rembg'

[am576]

I have just discovered this script. And after installing it on the fresh web-ui and enabling it in the Extensions tab I got this error

Restarting UI...
Error loading script: postprocessing_rembg.py
Traceback (most recent call last):
  File "C:\stable-diffusion-webui\modules\scripts.py", line 256, in load_scripts
    script_module = script_loading.load_module(scriptfile.path)
  File "C:\stable-diffusion-webui\modules\script_loading.py", line 11, in load_module
    module_spec.loader.exec_module(module)
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "C:\stable-diffusion-webui\extensions\stable-diffusion-webui-rembg\scripts\postprocessing_rembg.py", line 5, in <module>
    import rembg
ModuleNotFoundError: No module named 'rembg'