code: def test_polar_stereographic_b_operation__defaults():
      aeop = PolarStereographicBConversion()
      assert aeop.name == "unknown"
      assert aeop.method_name == "Polar Stereographic (variant B)"
      assert _to_dict(aeop) == {
          "Latitude of standard parallel": 0.0,
          "Longitude of origin": 0.0,
          "False easting": 0.0,
          "False northing": 0.0,
      }
  
imports: import pytest
  from numpy.testing import assert_almost_equal
  from pyproj.crs import GeographicCRS
  from pyproj.crs.coordinate_operation import AlbersEqualAreaConversion, AzimuthalEquidistantConversion, EquidistantCylindricalConversion, GeostationarySatelliteConversion, HotineObliqueMercatorBConversion, LambertAzimuthalEqualAreaConversion, LambertConformalConic1SPConversion, LambertConformalConic2SPConversion, LambertCylindricalEqualAreaConversion, LambertCylindricalEqualAreaScaleConversion, MercatorAConversion, MercatorBConversion, OrthographicConversion, PlateCarreeConversion, PolarStereographicAConversion, PolarStereographicBConversion, PoleRotationNetCDFCFConversion, RotatedLatitudeLongitudeConversion, SinusoidalConversion, StereographicConversion, ToWGS84Transformation, TransverseMercatorConversion, UTMConversion, VerticalPerspectiveConversion
  from pyproj.exceptions import CRSError
label_desc: Use image node_id 28 for calling a global function with example usage: test_polar_stereographic_b_operation__defaults() without return types