def __init__ ( self, key_trait = None, value_trait = None,
                         has_items = True ):
        self.key_trait   = trait_from( key_trait )
        self.value_trait = trait_from( value_trait )
        self.has_items   = has_items
        handler          = self.value_trait.handler
        if handler.has_items:
            handler = handler.clone()
            handler.has_items = False
        self.value_handler = handler
Removes a node from the tree.
dataset/ETHPy150Open enthought/traits/traits/trait_handlers.py/TraitDict.__init__--crossover with--dataset/ETHPy150Open kivy/kivy/kivy/uix/treeview.py/TreeView.remove_node