class_docstr: Test case for reading calibrated reflectances from hrpt data.
class_docstr_tok: ["Test","case","for","reading","calibrated","reflectances","from","hrpt","data","."]
docstr: Get the channel 1 reflectance.
code: def _get_channel_1_reflectance(self):
      """Get the channel 1 reflectance."""
      dataset_id = make_dataid(name="1", calibration="reflectance")
      return self._get_dataset(dataset_id)
  
imports: import os
  import unittest
  from contextlib import suppress
  from tempfile import NamedTemporaryFile
  from unittest import mock
  import numpy
  import xarray
  from satpy.readers.hrpt import HRPTFile, dtype
  from satpy.tests.reader_tests.test_avhrr_l1b_gaclac import PygacPatcher
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 1 for calling the TestHRPTGetCalibratedReflectances obj's underlying member method code with example usage: obj._get_channel_1_reflectance() and returns: self