From 0c832cafbc6b446034573840bb88d521425b1889 Mon Sep 17 00:00:00 2001
From: Cheukting <cheukting.ho@gmail.com>
Date: Sun, 15 May 2022 09:49:20 +0100
Subject: [PATCH] adding reference

---
 doc/en/reference/reference.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/en/reference/reference.rst b/doc/en/reference/reference.rst
index d08269725..69e8690e7 100644
--- a/doc/en/reference/reference.rst
+++ b/doc/en/reference/reference.rst
@@ -1130,6 +1130,9 @@ Custom warnings generated in some situations such as improper usage or deprecate
 .. autoclass:: pytest.PytestExperimentalApiWarning
    :show-inheritance:
 
+.. autoclass:: pytest.PytestReturnNotNoneWarning
+  :show-inheritance:
+
 .. autoclass:: pytest.PytestUnhandledCoroutineWarning
    :show-inheritance: