code: def test_vector():
      pytest.importorskip("numpy")
      asr, aaz = vincenty.vdist(
          10, 20, [10.02137267, 10.01917819], [20.0168471, 20.0193493]
      )
  
      assert 3e3 == approx(asr)
      assert aaz == approx([38, 45])
  
imports: import pymap3d.vincenty
  import pytest
  from pytest import approx
label_desc: Use image node_id 2 for calling a global function with example usage: test_vector() without return types