code: def test_both_vector():
      pytest.importorskip("numpy")
      a, b = vincenty.vreckon(10, 20, sr1, az1)
      assert a == approx(lat3)
      assert b == approx(lon3)
  
imports: from math import radians
  import pymap3d.vincenty
  import pytest
  from pytest import approx
label_desc: Use image node_id 3 for calling a global function with example usage: test_both_vector() without return types