(self)
return self.expandable
Do not override!  Called by TreeNode.
Do not override!  Called by TreeNode.
Do not override! Called by TreeNode .
def _IsExpandable(self):
        """Do not override!  Called by TreeNode."""
        if self.expandable is None:
            self.expandable = self.IsExpandable()
        return self.expandable
def _IsExpandable ( self ) : if self . expandable is None : self . expandable = self . IsExpandable ( ) return self . expandable