bpo-46879: Fix incorrect sphinx object names in doc (GH-31615) (GH-92976)

(cherry picked from commit 2cdd57f119)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Martin Fischer <martin@push-f.com>

Doc/library/asyncio-subprocess.rst

@@ -127,6 +127,7 @@ Constants
 =========
 
 .. data:: asyncio.subprocess.PIPE
+   :module:
 
    Can be passed to the *stdin*, *stdout* or *stderr* parameters.
 
@@ -140,11 +141,13 @@ Constants
    attributes will point to :class:`StreamReader` instances.
 
 .. data:: asyncio.subprocess.STDOUT
+   :module:
 
    Special value that can be used as the *stderr* argument and indicates
    that standard error should be redirected into standard output.
 
 .. data:: asyncio.subprocess.DEVNULL
+   :module:
 
    Special value that can be used as the *stdin*, *stdout* or *stderr* argument
    to process creation functions.  It indicates that the special file
@@ -160,6 +163,7 @@ wrapper that allows communicating with subprocesses and watching for
 their completion.
 
 .. class:: asyncio.subprocess.Process
+   :module:
 
    An object that wraps OS processes created by the
    :func:`create_subprocess_exec` and :func:`create_subprocess_shell`

Doc/library/multiprocessing.rst

@@ -1648,6 +1648,7 @@ different machines. A manager object controls a server process which manages
 proxies.
 
 .. function:: multiprocessing.Manager()
+   :module:
 
    Returns a started :class:`~multiprocessing.managers.SyncManager` object which
    can be used for sharing objects between processes.  The returned manager

Doc/library/xml.etree.elementtree.rst

@@ -808,6 +808,7 @@ Functions
 ^^^^^^^^^
 
 .. function:: xml.etree.ElementInclude.default_loader( href, parse, encoding=None)
+   :module:
 
    Default loader. This default loader reads an included resource from disk.  *href* is a URL.
    *parse* is for parse mode either "xml" or "text".  *encoding*
@@ -819,6 +820,7 @@ Functions
 
 .. function:: xml.etree.ElementInclude.include( elem, loader=None, base_url=None, \
                                                 max_depth=6)
+   :module:
 
    This function expands XInclude directives.  *elem* is the root element.  *loader* is
    an optional resource loader.  If omitted, it defaults to :func:`default_loader`.