code: def _initialize_scheduler(self):
      self.lr_scheduler = self._initialize(
          "lr_scheduler", paddle.optimizer.lr
      )
  
imports: import os
  import pathlib
  import shutil
  from pprint import pformat
  import anyconfig
  import paddle
  import numpy
  import random
  from paddle.jit import to_static
  from paddle.static import InputSpec
  from utils import setup_logger
label_desc: Use image node_id 11 for calling the BaseTrainer obj's underlying member method code with example usage: obj._initialize_scheduler() without return types