code: def test_single_npole(self):
      n_pole_crs = ccrs.LambertConformal(standard_parallels=[1.0])
      expected_x = (-20130569, 20130569)
      expected_y = (-8170229, 726200683)
      if pyproj.__proj_version__ >= "9.2.0":
          expected_x = (-20222156, 20222156)
          expected_y = (-8164817, 360848719)
      assert_array_almost_equal(
          n_pole_crs.x_limits, expected_x, decimal=0
      )
      assert_array_almost_equal(
          n_pole_crs.y_limits, expected_y, decimal=0
      )
  
file_path: cartopy/lib/cartopy/tests/crs/test_lambert_conformal.py
imports: from numpy.testing import assert_array_almost_equal
  import pyproj
  import pytest
  import cartopy.crs
  from .helpers import check_proj_params
label_desc: Use image node_id 5 for calling the Test_LambertConformal_standard_parallels obj's underlying member method code with example usage: obj.test_single_npole() without return types