add comment to tests

arogozhnikov · Nov 9, 2022 · c51dcd0 · c51dcd0
1 parent 48da99a
commit c51dcd0
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/tests/test_packing.py b/tests/test_packing.py
@@ -3,6 +3,7 @@
 
 import numpy as np
 import pytest
+
 from einops import EinopsError, asnumpy, pack, unpack
 from tests import collect_test_backends
 
@@ -269,4 +270,8 @@ def test_pack_unpack_against_numpy():
                 unpack_and_pack(x, [[-1], [5], [0]], pattern)
 
                 # -1 takes zero, -1
-                unpack_and_pack(x, [[2, -1], [1, 5]], pattern)
+                unpack_and_pack(x, [[2, -1], [1, 5]], pattern)
+
+
+# NB there is no testing for symbolic backends
+# because mxnet symbols do not allow slicing with [...]