X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Futil%2Fdefaultdict.py;h=8ef4d8ef6ab6c1cddc6012b900278fd931d62596;hb=4a9e6751f9f396f463932133b9d62fc925a99ef6;hp=e0dd14503f0eb872fb5751173b3fac503a9aefbd;hpb=44dbc99733c218930dc61619c068f1038c4f33e4;p=sfa.git

diff --git a/sfa/util/defaultdict.py b/sfa/util/defaultdict.py
index e0dd1450..8ef4d8ef 100644
--- a/sfa/util/defaultdict.py
+++ b/sfa/util/defaultdict.py
@@ -3,36 +3,44 @@ try:
     from collections import defaultdict
 except:
     class defaultdict(dict):
+
         def __init__(self, default_factory=None, *a, **kw):
             if (default_factory is not None and
-                not hasattr(default_factory, '__call__')):
+                    not hasattr(default_factory, '__call__')):
                 raise TypeError('first argument must be callable')
             dict.__init__(self, *a, **kw)
             self.default_factory = default_factory
+
         def __getitem__(self, key):
             try:
                 return dict.__getitem__(self, key)
             except KeyError:
                 return self.__missing__(key)
+
         def __missing__(self, key):
             if self.default_factory is None:
                 raise KeyError(key)
             self[key] = value = self.default_factory()
             return value
+
         def __reduce__(self):
             if self.default_factory is None:
                 args = tuple()
             else:
                 args = self.default_factory,
-            return type(self), args, None, None, self.items()
+            return type(self), args, None, None, list(self.items())
+
         def copy(self):
             return self.__copy__()
+
         def __copy__(self):
             return type(self)(self.default_factory, self)
+
         def __deepcopy__(self, memo):
             import copy
             return type(self)(self.default_factory,
-                              copy.deepcopy(self.items()))
+                              copy.deepcopy(list(self.items())))
+
         def __repr__(self):
             return 'defaultdict(%s, %s)' % (self.default_factory,
                                             dict.__repr__(self))