Apply suggestions from code review

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: barneygale

Doc/library/pathlib.rst

@@ -871,7 +871,7 @@ conforming to :rfc:`8089`.
 
    .. versionadded:: 3.13
 
-   .. versionchanged:: 3.14
+   .. versionchanged:: next
       If a URL authority (e.g. a hostname) is present and resolves to
       ``localhost``, it is discarded. If an authority is present and
       *doesn't* resolve to ``localhost``, then on Windows a UNC path is

Doc/library/urllib.request.rst

@@ -181,7 +181,7 @@ The :mod:`urllib.request` module defines the following functions:
       >>> url2pathname(url.removeprefix('file:'))
       'C:\\Program Files'
 
-   .. versionchanged:: 3.14
+   .. versionchanged:: next
       If a URL authority (e.g. a hostname) is present and resolves to
       ``localhost``, it is discarded. If an authority is present and
       *doesn't* resolve to ``localhost``, then on Windows a UNC path is

Lib/urllib/request.py

@@ -1463,7 +1463,7 @@ def open_local_file(self, req):
             headers = email.message_from_string(
                 'Content-type: %s\nContent-length: %d\nLast-modified: %s\n' %
                 (mtype or 'text/plain', size, modified))
-            origurl = 'file:' + pathname2url(localfile)
+            origurl = f'file:{pathname2url(localfile)}'
             return addinfourl(open(localfile, 'rb'), headers, origurl)
         except OSError as exp:
             raise URLError(exp, exp.filename)