From 5dd7b5f0e5f639c6d477166cd1a8e204a7a91cb4 Mon Sep 17 00:00:00 2001
From: Vadim Levin <vadim.levin@xperience.ai>
Date: Thu, 6 Jun 2024 11:51:10 +0300
Subject: [PATCH] fix: mark floodFill mask as optional in Python typing stubs

---
 modules/python/src2/typing_stubs_generation/api_refinement.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/python/src2/typing_stubs_generation/api_refinement.py b/modules/python/src2/typing_stubs_generation/api_refinement.py
index b04bb4a196..994b802018 100644
--- a/modules/python/src2/typing_stubs_generation/api_refinement.py
+++ b/modules/python/src2/typing_stubs_generation/api_refinement.py
@@ -325,6 +325,7 @@ def _find_argument_index(arguments: Sequence[FunctionNode.Arg],
 NODES_TO_REFINE = {
     SymbolName(("cv", ), (), "resize"): make_optional_arg("dsize"),
     SymbolName(("cv", ), (), "calcHist"): make_optional_arg("mask"),
+    SymbolName(("cv", ), (), "floodFill"): make_optional_arg("mask"),
 }
 
 ERROR_CLASS_PROPERTIES = (