code: def get_default_logger(save_dir, version=None):
      # set up logger object without actually saving logs
      return TensorBoardLogger(
          save_dir, name="lightning_logs", version=version
      )
  
file_path: pytorch-lightning/tests/tests_pytorch/helpers/utils.py
imports: import functools
  import os
  from lightning.pytorch.callbacks import ModelCheckpoint
  from lightning.pytorch.demos.boring_classes import BoringModel
  from lightning.pytorch.loggers import TensorBoardLogger
  from tests_pytorch import _TEMP_PATH
label_desc: Use image node_id 1 for calling a global function with example usage: get_default_logger(save_dir, version) and returns: TensorBoardLogger