class_docstr: Unit tests for SEVIRI netCDF reader.
class_docstr_tok: ["Unit","tests","for","SEVIRI","netCDF","reader","."]
docstr: Test conversion of attributes when xarray is used with h5netcdf backend.
docstr_tok: ["Test","conversion","of","attributes","when","xarray","is","used","with","h5netcdf","backend","."]
code: def test_h5netcdf_pecularity(self, file_handler, h5netcdf):
      """Test conversion of attributes when xarray is used with h5netcdf backend."""
      fh = file_handler
      assert isinstance(fh.mda["projection_parameters"]["a"], float)
  
imports: from datetime import datetime
  from unittest import mock
  import numpy
  import pytest
  import xarray
  from satpy.readers.seviri_l1b_nc import NCSEVIRIFileHandler
  from satpy.tests.reader_tests.test_seviri_base import ORBIT_POLYNOMIALS
  from satpy.tests.reader_tests.test_seviri_l1b_calibration import TestFileHandlerCalibrationBase
  from satpy.tests.utils import assert_attrs_equal, make_dataid
label_desc: Use image node_id 10 for calling the TestNCSEVIRIFileHandler obj's underlying member method code with example usage: obj.test_h5netcdf_pecularity(file_handler, h5netcdf) without return types