[Python-checkins] bpo-44135: Refine explanation of how passing tuples to issubclass() behaves (GH-26193)

[miss-islington]

https://github.com/python/cpython/commit/ab8fed88fc602282167f6459b43f2cf0c771f60a
commit: ab8fed88fc602282167f6459b43f2cf0c771f60a
branch: 3.10
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2021-08-31T07:23:22-07:00
summary:

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


Co-authored-by: Zachary Kneupper <zachary.kneupper at gmail.com>
(cherry picked from commit 08767c73b5bf1f28792d5fef7f41d52822a4989f)

Co-authored-by: Zack Kneupper <zachary.kneupper at gmail.com>

files:
M Doc/library/functions.rst

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 652e30c6088ad..fef6c6292f95c 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -916,9 +916,9 @@ 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 or a :ref:`types-union`, in which case every entry in *classinfo*
-   will be checked. In any other
-   case, a :exc:`TypeError` exception is raised.
+   objects or a :ref:`types-union`, 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.
 
    .. versionchanged:: 3.10
       *classinfo* can be a :ref:`types-union`.