From 13fee969ec62d3d1335153dcd43b817b3f2dca29 Mon Sep 17 00:00:00 2001
From: Min RK <benjaminrk@gmail.com>
Date: Tue, 11 Aug 2015 22:52:23 -0700
Subject: [PATCH] leave empty commit hash when none found

avoids `4.0.1-<none found>` message for stable releases in About panel
---
 notebook/_sysinfo.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notebook/_sysinfo.py b/notebook/_sysinfo.py
index 6e145936c..d29c1d060 100644
--- a/notebook/_sysinfo.py
+++ b/notebook/_sysinfo.py
@@ -46,7 +46,7 @@ def pkg_commit_hash(pkg_path):
     repo_commit, _ = proc.communicate()
     if repo_commit:
         return 'repository', repo_commit.strip().decode('ascii')
-    return '(none found)', u'<not found>'
+    return u'', u''
 
 
 def pkg_info(pkg_path):