- patch #1600346 submitted by Tomer Filiba
- Renamed nb_nonzero slots to nb_bool
- Renamed __nonzero__ methods to __bool__
- update core, lib, docs, and tests to match
diff --git a/Demo/classes/Rat.py b/Demo/classes/Rat.py
index 55543b6..24670b6 100755
--- a/Demo/classes/Rat.py
+++ b/Demo/classes/Rat.py
@@ -223,7 +223,7 @@
         return cmp(Rat(a), b)
 
     # a != 0
-    def __nonzero__(a):
+    def __bool__(a):
         return a.__num != 0
 
     # coercion