Push back removal to 3.19

Author: barneygale

Doc/library/pathlib.rst

@@ -886,7 +886,7 @@ conforming to :rfc:`8089`.
       >>> p.as_uri()
       'file:///c:/Windows'
 
-   .. deprecated-removed:: 3.14 3.16
+   .. deprecated-removed:: 3.14 3.19
 
       Calling this method from :class:`PurePath` rather than :class:`Path` is
       possible but deprecated. The method's use of :func:`os.fsencode` makes

Doc/whatsnew/3.14.rst

@@ -1112,7 +1112,7 @@ Deprecated
 
 * :mod:`pathlib`:
   :meth:`!pathlib.PurePath.as_uri` is deprecated and will be removed in Python
-  3.16. Use :meth:`pathlib.Path.as_uri` instead.
+  3.19. Use :meth:`pathlib.Path.as_uri` instead.
   (Contributed by Barney Gale in :gh:`123599`.)
 
 * :mod:`pdb`:

Lib/pathlib/__init__.py

@@ -533,7 +533,7 @@ def is_reserved(self):
     def as_uri(self):
         """Return the path as a URI."""
         msg = ("pathlib.PurePath.as_uri() is deprecated and scheduled "
-               "for removal in Python 3.16. Use pathlib.Path.as_uri().")
+               "for removal in Python 3.19. Use pathlib.Path.as_uri().")
         warnings.warn(msg, DeprecationWarning, stacklevel=2)
         if not self.is_absolute():
             raise ValueError("relative path can't be expressed as a file URI")