code: def test_eci2geodetic():
      pytest.importorskip("numpy")
  
      eci = [-2981784, 5207055, 3161595]
      utc = datetime(2019, 1, 4, 12)
      lla = pm.eci2geodetic(*eci, utc)
  
      rel = 0.01 if astropy is None else 0.0001
  
      assert lla == approx(
          [27.880801, -163.722058, 408850.646], rel=rel
      )
  
file_path: pymap3d/src/pymap3d/tests/test_eci.py
imports: from datetime import datetime
  import pymap3d
  import pytest
  from pytest import approx
label_desc: Use image node_id 3 for calling a global function with example usage: test_eci2geodetic() without return types