gh-112419: Document removal of sys.meta_path's 'find_module' fallback (#112421)

aisk · erlend-aasland · web-flow · commit ec23e90082ff · 2024-01-11T09:43:35.000Z
Co-authored-by: Erlend E. Aasland &lt;erlend@python.org&gt;
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
@@ -1268,10 +1268,13 @@ always available.
     .. versionchanged:: 3.4
 
         :term:`Module specs <module spec>` were introduced in Python 3.4, by
-        :pep:`451`. Earlier versions of Python looked for a method called
-        :meth:`!find_module`.
-        This is still called as a fallback if a :data:`meta_path` entry doesn't
-        have a :meth:`~importlib.abc.MetaPathFinder.find_spec` method.
+        :pep:`451`.
+
+    .. versionchanged:: 3.12
+
+        Removed the fallback that looked for a :meth:`!find_module` method
+        if a :data:`meta_path` entry didn't have a
+        :meth:`~importlib.abc.MetaPathFinder.find_spec` method.
 
 .. data:: modules
 
