From 978216d35064df443a8a0083059f125b1785492f Mon Sep 17 00:00:00 2001
From: Skipper Seabold <jsseabold@gmail.com>
Date: Mon, 18 May 2015 11:43:58 -0500
Subject: [PATCH] ENH: Allow missing = 0

---
 wrapper/xgboost.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wrapper/xgboost.py b/wrapper/xgboost.py
index fe6840034..bb61083c4 100644
--- a/wrapper/xgboost.py
+++ b/wrapper/xgboost.py
@@ -920,7 +920,7 @@ class XGBModel(XGBModelBase):
 
         self.base_score = base_score
         self.seed = seed
-        self.missing = missing or np.nan
+        self.missing = missing if missing is not None else np.nan
 
         self._Booster = None