code: def initialize_lr_schedulers(self):
      if self.lr_schedulers is None:
          self.lr_schedulers = {}
  
imports: import torch
  import tqdm
  from ..utils import common_functions
  from ..utils import loss_tracker
  from ..utils.key_checker import KeyChecker, KeyCheckerDict
label_desc: Use image node_id 32 for calling the BaseTrainer obj's underlying member method code with example usage: obj.initialize_lr_schedulers() without return types