[Python-checkins] Document that `test.support.bytecode_helper` is new in 3.9 (GH-22618) (GH-22761)

[Miss Skeleton (bot)]

https://github.com/python/cpython/commit/6a9c1268cafb3c91a54b577ae7c7e7a937467a4c
commit: 6a9c1268cafb3c91a54b577ae7c7e7a937467a4c
branch: 3.9
author: Miss Skeleton (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-10-19T19:44:06-03:00
summary:

Document that `test.support.bytecode_helper` is new in 3.9 (GH-22618) (GH-22761)

(cherry picked from commit cf693e537dc8aaa14315a7f59baec4a31d1167d3)

Co-authored-by: Saiyang Gou <gousaiyang at 163.com>

Co-authored-by: Saiyang Gou <gousaiyang at 163.com>

files:
M Doc/library/test.rst

diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index f7e6eba018161..e24f69cda8c86 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -1609,6 +1609,8 @@ script execution tests.
 The :mod:`test.support.bytecode_helper` module provides support for testing
 and inspecting bytecode generation.
 
+.. versionadded:: 3.9
+
 The module defines the following class:
 
 .. class:: BytecodeTestCase(unittest.TestCase)