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@@ -15,11 +15,11 @@ class PrefixTree(object):
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       wildcard matching will be performed.
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     """
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     super(PrefixTree, self).__init__()
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-    self.__root = [None, dict()]
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+    self.root = [None, dict()]
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     if wildcard:
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-      self.__wildcard = hash(wildcard)
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+      self.wildcard = hash(wildcard)
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     else:
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-      self.__wildcard = None
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+      self.wildcard = None
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   def get(self, key, default=None):
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     """
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@@ -32,13 +32,13 @@ class PrefixTree(object):
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         >>> tree.get('unknown', 0)
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         0
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     """
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-    node = self.__root
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+    node = self.root
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     for element in key:
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       h = hash(element)
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       if h in node[1]:
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         node = node[1][h]
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-      elif self.__wildcard and (self.__wildcard in node[1]):
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-        node = node[1][self.__wildcard]
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+      elif self.wildcard and (self.wildcard in node[1]):
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+        node = node[1][self.wildcard]
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       else:
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         return default
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     return node[0]
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@@ -60,7 +60,7 @@ class PrefixTree(object):
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     """
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     if value == None:
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       raise ValueError, 'None is not a valid value'
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-    node = self.__root
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+    node = self.root
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     for element in key:
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       node = node[1].setdefault(hash(element), [None, {}])
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     node[0] = value
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@@ -78,7 +78,7 @@ class PrefixTree(object):
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     """
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     if default == None:
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       raise ValueError, 'None is not a valid default'
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-    node = self.__root
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+    node = self.root
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     for element in key:
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       node = node[1].setdefault(hash(element), [None, {}])
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     if node[0] == None: