code: def close_file_handler(self, **kw):
      if self.emit_alerts:
          self.log_handler.close()
          log.removeHandler(self.log_handler)
  
file_path: flair/flair/trainers/plugins/loggers/wandb.py
imports: import logging
  from typing import Any, Dict
  from flair.trainers.plugins.base import TrainerPlugin
label_desc: Use image node_id 3 for calling the WandbLogger obj's underlying member method code with example usage: obj.close_file_handler() without return types