diff --git a/mercurial/color.py b/mercurial/color.py
--- a/mercurial/color.py
+++ b/mercurial/color.py
@@ -435,7 +435,7 @@
 if pycompat.iswindows:
     import ctypes
 
-    _kernel32 = ctypes.windll.kernel32
+    _kernel32 = ctypes.windll.kernel32  # pytype: disable=module-attr
 
     _WORD = ctypes.c_ushort