code: def test_epsg_compound_crs(self):
      projection = ccrs.epsg(5973)
      assert projection.epsg_code == 5973
  
imports: import copy
  from io import BytesIO
  import os
  from pathlib import Path
  import pickle
  import warnings
  import numpy
  from numpy.testing import assert_almost_equal, assert_array_equal
  from numpy.testing import assert_array_almost_equal
  import pyproj
  import pytest
  import shapely.geometry
  import cartopy.crs
label_desc: Use image node_id 6 for calling the TestCRS obj's underlying member method code with example usage: obj.test_epsg_compound_crs() without return types