bpo-44135: Refine explanation of how passing tuples to issubclass() behaves (GH-26193) (GH-28094)

ambv · web-flow · commit 5f66ad09ff2c · 2021-08-31T18:00:16.000+02:00
This is a quasi-backport to 3.9 since the wording in this branch is different.

Co-authored-by: Zachary Kneupper zachary.kneupper@gmail.com
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
@@ -862,8 +862,8 @@ are always available.  They are listed here in alphabetical order.
    Return ``True`` if *class* is a subclass (direct, indirect or :term:`virtual
    <abstract base class>`) of *classinfo*.  A
    class is considered a subclass of itself. *classinfo* may be a tuple of class
-   objects, in which case every entry in *classinfo* will be checked. In any other
-   case, a :exc:`TypeError` exception is raised.
+   objects, in which case return ``True`` if *class* is a subclass of any entry
+   in *classinfo*.  In any other case, a :exc:`TypeError` exception is raised.
 
 
 .. function:: iter(object[, sentinel])
