gdown version upgraded from 4.2.0 to 4.3.1
The 4.2.0 version of package gdown was not able to download the u2net model. Problem resolved after upgrading version to 4.3.1.
Error Message: Cannot retrieve the public link of the file. You may need to change the permission to 'Anyone with the link', or have had many accesses.
Ceyhun Yaser Coşkun