https://lists.opensuse.org/opensuse-support/2020-09/msg00371.html
The fix is in Factory should filter through to Tumbleweed soon.
Thank you. 
Thank you.
Its in Tumbleweed Update Repo:
https://download.opensuse.org/repositories/openSUSE:/Factory:/Update/standard/x86_64/
Thank you , I just tried sudo zypper dup again and all is fine.
I did not know what to download from the link you gave, so did zypper dup to see the package name, but then noticed the problem is gone.