From cb065464db0e22e3605f1c3eaa61943b1f8972a3 Mon Sep 17 00:00:00 2001
From: "J.J. Tolton" <jjtolton@gmail.com>
Date: Thu, 9 Nov 2017 20:15:57 -0500
Subject: [PATCH] fixed bug in get_in

---
 naga/tools.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/naga/tools.py b/naga/tools.py
index 2d2bdf8..4dc7e51 100644
--- a/naga/tools.py
+++ b/naga/tools.py
@@ -53,7 +53,12 @@ def get_in(d, ks, not_found=None):
     :param not_found: what to return if keys not in d
     :return: val
     """
-    return reduce(lambda x, y: x.get(y, {}), ks, d) or not_found
+    res = reduce(lambda x, y: x.get(y, {}), ks, d)
+    if res is None:
+        return not_found
+    else:
+        return res
+
 
 
 def apply(fn, x):