sshpeer: fix path when handling invalid url exception stable

sshpeer: fix path when handling invalid url exception

In 73ed1d13c0bf the code was refactored but the error handling seems to have
been missed (or maybe the object shoud have implemented __bytes__)

--- a/mercurial/sshpeer.py	Mon Mar 18 11:25:21 2024 +0100
+++ b/mercurial/sshpeer.py	Sat Mar 16 18:37:07 2024 -0300
@@ -640,7 +640,7 @@
     """
     u = urlutil.url(path.loc, parsequery=False, parsefragment=False)
     if u.scheme != b'ssh' or not u.host or u.path is None:
-        raise error.RepoError(_(b"couldn't parse location %s") % path)
+        raise error.RepoError(_(b"couldn't parse location %s") % path.loc)
 
     urlutil.checksafessh(path.loc)