diff --git a/tests/unit/test_neuron_data.py b/tests/unit/test_neuron_data.py
index ea5272dd..fe46522d 100644
--- a/tests/unit/test_neuron_data.py
+++ b/tests/unit/test_neuron_data.py
@@ -766,7 +766,7 @@ def test_similar_embeddings(self):
         def assertAlmostEqualDicts(dct1, dct2):
             self.assertEqual(set(dct1.keys()), set(dct2.keys()))
             for k1, v1 in dct1.items():
-                self.assertAlmostEquals(v1, dct2[k1])
+                self.assertAlmostEqual(v1, dct2[k1])
 
         cell_rid = 720575940639310150
         assertAlmostEqualDicts(