nit

Author: NoureldinYosri

test/test_value_array.py

@@ -298,5 +298,7 @@ def test_unique() -> None:
 def test_matmul() -> None:
     a = np.random.random((3, 4))
     b = np.random.random((4, 3)) * tu.ns
-    assert (a @ b).allclose((a @ b[tu.us]) * tu.us)
-    assert (b @ a).allclose((b[tu.s] @ a) * tu.s)
+    c: tu.TimeArray = a @ b  # type: ignore[assignment]
+    d: tu.TimeArray = b @ a  # type: ignore[assignment]
+    assert c.allclose((a @ b[tu.us]) * tu.us)
+    assert d.allclose((b[tu.s] @ a) * tu.s)