From ba483dfbb8d9c1a5b9c25fcb444e76ba9df74f09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E9=9B=84=E5=BA=B7?= <69671710@qq.com>
Date: Fri, 23 Feb 2024 22:02:43 +0800
Subject: [PATCH] fix [use hasattr("cv2", "name") ,but first param is
 'character string', resulting in an error in the judgment condition]

---
 modules/python/package/cv2/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/python/package/cv2/__init__.py b/modules/python/package/cv2/__init__.py
index 550482bd17..7e148fc9f2 100644
--- a/modules/python/package/cv2/__init__.py
+++ b/modules/python/package/cv2/__init__.py
@@ -33,7 +33,7 @@ def __load_extra_py_code_for_module(base, name, enable_debug_print=False):
         # Extension doesn't contain extra py code
         return False
 
-    if not hasattr(base, name):
+    if base in sys.modules and not hasattr(sys.modules[base], name):
         setattr(sys.modules[base], name, py_module)
     sys.modules[export_module_name] = py_module
     # If it is C extension module it is already loaded by cv2 package