docstr: Initializes the wav2vec2 optimizer and model optimizer
docstr_tok: ["Initializes","the","wav2vec2","optimizer","and","model","optimizer"]
code: def init_optimizers(self):
      "Initializes the wav2vec2 optimizer and model optimizer"
      self.wav2vec2_optimizer = self.hparams.wav2vec2_opt_class(
          self.modules.wav2vec2.parameters()
      )
      self.optimizer = self.hparams.opt_class(
          self.hparams.model.parameters()
      )
  
      if self.checkpointer is not None:
          self.checkpointer.add_recoverable(
              "wav2vec2_opt", self.wav2vec2_optimizer
          )
          self.checkpointer.add_recoverable("optimizer", self.optimizer)
  
      self.optimizers_dict = {
          "wav2vec2_optimizer": self.wav2vec2_optimizer,
          "model_optimizer": self.optimizer,
      }
  
file_path: speechbrain/recipes/timers-and-such/direct/train_with_wav2vec2.py
imports: import sys
  import torch
  import speechbrain
  import logging
  from hyperpyyaml import load_hyperpyyaml
  from speechbrain.utils.distributed import run_on_main, if_main_process
label_desc: Use image node_id 5 for calling the SLU obj's underlying member method code with example usage: obj.init_optimizers() without return types