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

[Saiyang Gou]

https://github.com/python/cpython/commit/cf693e537dc8aaa14315a7f59baec4a31d1167d3
commit: cf693e537dc8aaa14315a7f59baec4a31d1167d3
branch: master
author: Saiyang Gou <gousaiyang at 163.com>
committer: GitHub <noreply at github.com>
date: 2020-10-15T16:06:23-03:00
summary:

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

files:
M Doc/library/test.rst

diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index 6495b4844449e..ce6b868458ea4 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -1168,6 +1168,8 @@ 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)