parameters: (tensor, side_effects)
return_statement: return tensor
docstring: Helper method to extend the list of side_effects for a subscribed tensor.
  
    Args:
      tensor: A `tf.Tensor` as returned by subscribe().
      side_effects: List of side_effect functions, see subscribe for details.
  
    Returns:
      The given subscribed tensor (for API consistency).
docstring_summary: Helper method to extend the list of side_effects for a subscribed tensor.
docstring_tokens: Helper method to extend the list of side_effects for a subscribed tensor .
function: def _subscribe_extend(tensor, side_effects):
    """Helper method to extend the list of side_effects for a subscribed tensor.
  
    Args:
      tensor: A `tf.Tensor` as returned by subscribe().
      side_effects: List of side_effect functions, see subscribe for details.
  
    Returns:
      The given subscribed tensor (for API consistency).
    """
    assert len(tensor.op.inputs) == 1, 'Op {} must only have one input'.format(
        tensor.op.name)
    source_tensor = tensor.op.inputs[0]
  
    # Build the side effect graphs and add their outputs to the list of control
    # dependencies for the subscribed tensor.
    outs = []
    name_scope = source_tensor.op.name + '/subscription/'
    with ops.name_scope(name_scope):
      for s in side_effects:
        outs += s(source_tensor)
  
    out_ops = [out.op if isinstance(out, ops.Tensor) else out for out in outs]
    tensor.op._add_control_inputs(out_ops)  # pylint: disable=protected-access
  
    return tensor
function_tokens: def _subscribe_extend ( tensor , side_effects ) : assert len ( tensor . op . inputs ) == 1 , 'Op {} must only have one input' . format ( tensor . op . name ) source_tensor = tensor . op . inputs [ 0 ] # Build the side effect graphs and add their outputs to the list of control # dependencies for the subscribed tensor. outs = [ ] name_scope = source_tensor . op . name + '/subscription/' with ops . name_scope ( name_scope ) : for s in side_effects : outs += s ( source_tensor ) out_ops = [ out . op if isinstance ( out , ops . Tensor ) else out for out in outs ] tensor . op . _add_control_inputs ( out_ops ) # pylint: disable=protected-access return tensor