Eryk Sun added the comment:
In Windows, realpath is currently an alias for abspath. Issue 14094 has a
pending PR that implements realpath, but it's waiting on improved tests and
final approval. I'm afraid it won't make it into 3.8.
I suggest using the resolve() method of a pathlib.Path. For
New submission from Totte Karlsson :
Python's os.path.realpath, when used with a substed drive on the Windows
platform, don't resolve the substed path to the *real* path.
For example creating a substed drive like this:
subst z: C:\Users\Public\Desktop
and checking for the real path in p