[4.1.x] Fixed #34139 -- Fixed acreate(), aget_or_create(), and aupdate_or_create() methods for related managers.

Bug in 58b27e0dbb.

Backport of 7b94847e38 from main

docs/ref/models/relations.txt

@@ -76,6 +76,9 @@ Related objects reference
         intermediate instance(s).
 
     .. method:: create(through_defaults=None, **kwargs)
+    .. method:: acreate(through_defaults=None, **kwargs)
+
+        *Asynchronous version*: ``acreate``
 
         Creates a new object, saves it and puts it in the related object set.
         Returns the newly created object::
@@ -110,6 +113,10 @@ Related objects reference
         needed. You can use callables as values in the ``through_defaults``
         dictionary.
 
+        .. versionchanged:: 4.1
+
+            ``acreate()`` method was added.
+
     .. method:: remove(*objs, bulk=True)
 
         Removes the specified model objects from the related object set::

docs/releases/4.1.4.txt

@@ -16,3 +16,7 @@ Bugfixes
   an empty :meth:`Sitemap.items() <django.contrib.sitemaps.Sitemap.items>` and
   a callable :attr:`~django.contrib.sitemaps.Sitemap.lastmod`
   (:ticket:`34088`).
+
+* Fixed a bug in Django 4.1 that caused a crash of ``acreate()``,
+  ``aget_or_create()``, and ``aupdate_or_create()`` asynchronous methods for
+  related managers (:ticket:`34139`).