From 58957a596533797cb9502de88cd84003abeb06f7 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 18 Oct 2019 21:34:13 +0100
Subject: [PATCH] ipaddrset: Define __bool__ and make __nonzero__ an alias

Python3 calls __bool_.  Python2 calls __nonzero__.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 ipaddrset.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ipaddrset.py b/ipaddrset.py
index 5486958..84c7dca 100644
--- a/ipaddrset.py
+++ b/ipaddrset.py
@@ -68,11 +68,12 @@ class IPAddressSet:
 			self._v[a.version].append(a)
 
 	# enquirers including standard comparisons
-	def __nonzero__(self):
+	def __bool__(self):
 		for v in _vsns:
 			if self._v[v]:
 				return True
 		return False
+	__nonzero__=__bool__ # for python2
 
 	def __eq__(self,other):
 		for v in _vsns:
-- 
2.30.2