code: def _maybe_read_file(path):
      """Read a file, or return `None` on ENOENT specifically."""
      try:
          with open(path) as infile:
              return infile.read()
      except OSError as e:
          if e.errno == errno.ENOENT:
              return None
          raise
  
imports: import errno
  import logging
  import os
  import subprocess
  import tempfile
  import time
  import grpc
  import pkg_resources
  from tensorboard.data import grpc_provider
  from tensorboard.data import ingester
  from tensorboard.data.proto import data_provider_pb2
  from tensorboard.util import tb_logging
label_desc: Use image node_id 1 for calling a global function with example usage: _maybe_read_file(path) and returns: infile, None