# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 2019-11-30 07:13:56
# Node ID a50fecefa691c9b72a99e49aa6fe9dd13943c2bf
# Parent  5470e63686ca82ca765b3f2871b92552b5ec0a42

windows: fix an issue causing registry config paths to be ignored on py3

`util.lookupreg()` returns bytes.

Differential Revision: https://phab.mercurial-scm.org/D7532

diff --git a/mercurial/scmwindows.py b/mercurial/scmwindows.py
--- a/mercurial/scmwindows.py
+++ b/mercurial/scmwindows.py
@@ -37,7 +37,7 @@ def systemrcpath():
     value = util.lookupreg(
         b'SOFTWARE\\Mercurial', None, winreg.HKEY_LOCAL_MACHINE
     )
-    if not isinstance(value, str) or not value:
+    if not isinstance(value, bytes) or not value:
         return rcpath
     value = util.localpath(value)
     for p in value.split(pycompat.ospathsep):