pythongh-113208: Mention namespace packages don't require __init__.py (python#113209)

Unique-Usman · CAM-Gerlach · web-flow · commit d71fcdee0f1e · 2023-12-19T10:39:57.000+02:00
Co-authored-by: C.A.M. Gerlach &lt;CAM.Gerlach@Gerlach.CAM&gt;
diff --git a/Doc/tutorial/modules.rst b/Doc/tutorial/modules.rst
@@ -437,7 +437,8 @@ When importing the package, Python searches through the directories on
 ``sys.path`` looking for the package subdirectory.
 
 The :file:`__init__.py` files are required to make Python treat directories
-containing the file as packages.  This prevents directories with a common name,
+containing the file as packages (unless using a :term:`namespace package`, a
+relatively advanced feature). This prevents directories with a common name,
 such as ``string``, from unintentionally hiding valid modules that occur later
 on the module search path. In the simplest case, :file:`__init__.py` can just be
 an empty file, but it can also execute initialization code for the package or
