From 1215561b96389403cbbd55889e54b67db873ddcb Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Sun, 2 Aug 2020 09:32:13 -0400
Subject: Suppress ImportError for winreg as the module is only available on
 some platforms. Allows unit testing of module on non-Windows platforms.

---
 distutils/_msvccompiler.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/distutils/_msvccompiler.py b/distutils/_msvccompiler.py
index 0e98692e..ef0f0b56 100644
--- a/distutils/_msvccompiler.py
+++ b/distutils/_msvccompiler.py
@@ -15,7 +15,9 @@ for older versions in distutils.msvc9compiler and distutils.msvccompiler.
 
 import os
 import subprocess
-import winreg
+import contextlib
+with contextlib.suppress(ImportError):
+    import winreg
 
 from distutils.errors import DistutilsExecError, DistutilsPlatformError, \
                              CompileError, LibError, LinkError
-- 
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