code: def __init__(self, args):
      self.node_id = args.node_id
      self.out_file = None
      self.in_file = None
      self.in_offset = 0
      self.in_cache = b""
  
      super(FileChannel, self).__init__(args)
  
file_path: nni/nni/tools/trial_tool/file_channel.py
imports: import os
  from .base_channel import BaseChannel
label_desc: Use image node_id 1 to create a new FileChannel object from inherited base classes: BaseChannel with example: obj = FileChannel(args)