def size(self):
    'Constructs a TF graph for evaluating the current number of nodes.\n\n    Returns:\n      The current number of nodes in the tree.\n    '
    return (self.variables.end_of_tree - 1)
Constructs a TF graph for evaluating the current number of nodes.

Returns:
  The current number of nodes in the tree.
def size(self):
    'Constructs a TF graph for evaluating the current number of nodes.\n\n    Returns:\n      The current number of nodes in the tree.\n    '
    return (self.variables.end_of_tree - 1)