From d1e12b9aa919d6905add90fbee9176fb7a8ae75a Mon Sep 17 00:00:00 2001
From: Satge96 <35660525+Satge96@users.noreply.github.com>
Date: Wed, 28 Jan 2026 11:14:29 +0100
Subject: [PATCH] fix: mark distCoeffs, cameraMatrix as optional in
 calibrateCamera function

---
 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 fde10f0c0a..3019e67e96 100644
--- a/modules/python/src2/typing_stubs_generation/api_refinement.py
+++ b/modules/python/src2/typing_stubs_generation/api_refinement.py
@@ -397,6 +397,7 @@ NODES_TO_REFINE = {
     SymbolName(("cv", ), (), "solvePnPRefineVVS"): make_optional_arg("distCoeffs"),
     SymbolName(("cv", ), (), "undistort"): make_optional_arg("distCoeffs"),
     SymbolName(("cv", ), (), "undistortPoints"): make_optional_arg("distCoeffs"),
+    SymbolName(("cv", ), (), "calibrateCamera"): make_optional_arg("cameraMatrix", "distCoeffs"),
     SymbolName(("cv", "fisheye"), (), "initUndistortRectifyMap"): make_optional_arg("D"),
     SymbolName(("cv", ), (), "imread"): make_optional_none_return,
     SymbolName(("cv", ), (), "imdecode"): make_optional_none_return,