code: def geodesic_1(gfun, A, B):
      assert gfun(A, B, 1) == approx(B)
  
file_path: pyRiemann/tests/test_utils_geodesic.py
imports: import numpy
  import pytest
  from pytest import approx
  from pyriemann.utils.geodesic import geodesic, geodesic_euclid, geodesic_logeuclid, geodesic_riemann
  from pyriemann.utils.mean import mean_euclid, mean_logeuclid, mean_riemann
label_desc: Use image node_id 4 for calling a global function with example usage: geodesic_1(gfun, A, B) without return types