From d660c8d8f3e7f8067f2dc3224c688844b662c233 Mon Sep 17 00:00:00 2001
From: Tao Bao <tbao@google.com>
Date: Wed, 19 Jun 2019 10:17:21 -0700
Subject: [PATCH] releasetools: Make rangelib Python 3 compatibile.

Bug: 131631303
Test: `python -m unittest test_rangelib`
Test: `python3 -m unittest test_rangelib`
Change-Id: Ia8e26623d5967f2eea003252ee56b861350d626b
---
 tools/releasetools/rangelib.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/releasetools/rangelib.py b/tools/releasetools/rangelib.py
index 36becf419..9d6e9fb17 100644
--- a/tools/releasetools/rangelib.py
+++ b/tools/releasetools/rangelib.py
@@ -52,9 +52,12 @@ class RangeSet(object):
   def __ne__(self, other):
     return self.data != other.data
 
-  def __nonzero__(self):
+  def __bool__(self):
     return bool(self.data)
 
+  # Python 2 uses __nonzero__, while Python 3 uses __bool__.
+  __nonzero__ = __bool__
+
   def __str__(self):
     if not self.data:
       return "empty"