releasetools: Make rangelib Python 3 compatibile.
Bug: 131631303
Test: `python -m unittest test_rangelib`
Test: `python3 -m unittest test_rangelib`
Change-Id: Ia8e26623d5967f2eea003252ee56b861350d626b
diff --git a/tools/releasetools/rangelib.py b/tools/releasetools/rangelib.py
index 36becf4..9d6e9fb 100644
--- a/tools/releasetools/rangelib.py
+++ b/tools/releasetools/rangelib.py
@@ -52,9 +52,12 @@
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"