parameters: (self, num_tags)
docstring: Initialize the CrfDecodeBackwardRnnCell.
  
      Args:
        num_tags
docstring_summary: Initialize the CrfDecodeBackwardRnnCell.
docstring_tokens: Initialize the CrfDecodeBackwardRnnCell .
function: def __init__(self, num_tags):
      """Initialize the CrfDecodeBackwardRnnCell.
  
      Args:
        num_tags
      """
      self._num_tags = num_tags
function_tokens: def __init__ ( self , num_tags ) : self . _num_tags = num_tags