diff --git a/tests/test_ome_tiff_field_validator.py b/tests/test_ome_tiff_field_validator.py
index adf2c25..4e5b6c9 100644
--- a/tests/test_ome_tiff_field_validator.py
+++ b/tests/test_ome_tiff_field_validator.py
@@ -8,16 +8,16 @@
 @pytest.mark.parametrize(
     ("test_data_fname", "msg_re_list", "assay_type"),
     (
-        ("test_data/codex_tree_ometiff_bad.zip",
-         [
-             ".*tubhiswt_C0_bad.ome.tif is not a valid OME.TIFF file.*",
-             ".*sample1.ome.tif is not a valid OME.TIFF file.*",
-             ".*sample2.ome.tif is not a valid OME.TIFF file.*",
-         ],
-         "CODEX"),
-        ("test_data/codex_tree_ometiff_good.zip",
-         [],
-         "CODEX"),
+        (
+            "test_data/codex_tree_ometiff_bad.zip",
+            [
+                ".*tubhiswt_C0_bad.ome.tif is not a valid OME.TIFF file.*",
+                ".*sample1.ome.tif is not a valid OME.TIFF file.*",
+                ".*sample2.ome.tif is not a valid OME.TIFF file.*",
+            ],
+            "CODEX",
+        ),
+        ("test_data/codex_tree_ometiff_good.zip", [], "CODEX"),
         ("test_data/fake_snrnaseq_tree_good.zip", [], "snRNAseq"),
     ),
 )
@@ -36,8 +36,9 @@ def test_ome_tiff_field_validator(test_data_fname, msg_re_list, assay_type, tmp_
         msg_re_list_dup = list(msg_re_list)  # to avoid editing during iteration
         match = False
         for re_str in msg_re_list_dup:
-            if ((err_str is None and re_str is None)
-                    or re.match(re_str, err_str, flags=re.MULTILINE)):
+            if (err_str is None and re_str is None) or re.match(
+                re_str, err_str, flags=re.MULTILINE
+            ):
                 msg_re_list.remove(re_str)
                 match = True
                 break