code: def ctc_for(args, odim):
      """Return the CTC layer corresponding to the args.
  
      Args:
          args (Namespace): The program arguments.
          odim (int): The output dimension.
  
      Returns:
          The CTC module.
  
      """
      ctc_type = args.ctc_type
      if ctc_type == "builtin":
          logging.info("Using chainer CTC implementation")
          ctc = CTC(odim, args.eprojs, args.dropout_rate)
      else:
          raise ValueError(
              'ctc_type must be "builtin": {}'.format(ctc_type)
          )
      return ctc
  
file_path: espnet/espnet/nets/chainer_backend/ctc.py
imports: import logging
  import chainer
  import chainer.functions
  import chainer.links
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: ctc_for(args, odim) and returns: ctc