From dfdecef8e72fdd0379cdec4452f3175f0826b892 Mon Sep 17 00:00:00 2001
From: Jonathan Prates <jonathan.prates@corp.terra.com.br>
Date: Wed, 28 May 2014 09:40:22 -0300
Subject: [PATCH] Fix py2 and py3

---
 mongoengine/queryset/base.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/mongoengine/queryset/base.py b/mongoengine/queryset/base.py
index 0dfff7cc..09fb5bf6 100644
--- a/mongoengine/queryset/base.py
+++ b/mongoengine/queryset/base.py
@@ -154,7 +154,7 @@ class BaseQuerySet(object):
     def __iter__(self):
         raise NotImplementedError
 
-    def __nonzero__(self):
+    def _bool(self):
         """ Avoid to open all records in an if stmt """
 
         for value in self:
@@ -163,10 +163,15 @@ class BaseQuerySet(object):
 
         return False
 
+    def __nonzero__(self):
+        """ Same behaviour in Py2 """
+
+        return self._bool()
+
     def __bool__(self):
         """ Same behaviour in Py3 """
 
-        return self.__nonzero__()
+        return self._bool()
 
     # Core functions