class_docstr: ctc loss 
code: def __init__(
      self, config
  ):  # pylint: disable=useless-super-delegation
      super().__init__(config)
  
imports: import delta.compat
  from delta.utils.loss.base_loss import Loss
  from delta.utils.loss.loss_utils import cross_entropy
  from delta.utils.loss.loss_utils import mask_sequence_loss
  from delta.utils.loss.loss_utils import ctc_lambda_loss
  from delta.utils.loss.loss_utils import crf_log_likelihood
  from delta.utils.loss.loss_utils import focal_loss
  from delta.utils.register import registers
label_desc: Use image node_id 1 to create a new CTCLoss object from inherited base classes: Loss with example: obj = CTCLoss(config)