path: pass `path` to `peer` in narrow

We directly use the `path` object to build the `peer` object.

hgext/narrow/narrowcommands.py

@@ -606,10 +606,9 b' def trackedcmd(ui, repo, remotepath=None'
         # Find the revisions we have in common with the remote. These will
         # be used for finding local-only changes for narrowing. They will
         # also define the set of revisions to update for widening.
-        r = urlutil.get_unique_pull_path(b'tracked', repo, ui, remotepath)
-        url, branches = r
-        ui.status(_(b'comparing with %s\n') % urlutil.hidepassword(url))
-        remote = hg.peer(repo, opts, url)
+        path = urlutil.get_unique_pull_path_obj(b'tracked', ui, remotepath)
+        ui.status(_(b'comparing with %s\n') % urlutil.hidepassword(path.loc))
+        remote = hg.peer(repo, opts, path)
 
         try:
             # check narrow support before doing anything if widening needs to be