-

cool-RR · cool-RR · commit 89badacbf973 · 2014-10-20T18:36:54.000+03:00
diff --git a/source_py2/python_toolbox/combi/perming/perm.py b/source_py2/python_toolbox/combi/perming/perm.py
@@ -163,6 +163,7 @@ def __eq__(self, other):
     __ne__ = lambda self, other: not (self == other)
     __hash__ = lambda self: hash(self._reduced)
     __bool__ = lambda self: bool(self._perm_sequence)
+    __nonzero__ = __bool__
     
     def __contains__(self, item):
         try:
