code: def ahil2_filehandler(fname, platform="h09"):
      """Instantiate a Filehandler."""
      fileinfo = {"platform": platform}
      filetype = None
      fh = HIML2NCFileHandler(fname, fileinfo, filetype)
      return fh
  
file_path: satpy/satpy/tests/reader_tests/test_ahi_l2_nc.py
imports: from datetime import datetime
  import numpy
  import pytest
  import xarray
  from satpy.readers.ahi_l2_nc import HIML2NCFileHandler
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 1 for calling a global function with example usage: ahil2_filehandler(fname, platform) and returns: fh