diff --git a/src/bob/bio/base/score/load.py b/src/bob/bio/base/score/load.py
index 554960e9763d0ef247b74ccfec1307bd804b791b..8daf48abc6414d47f311299f721e897bd194df90 100644
--- a/src/bob/bio/base/score/load.py
+++ b/src/bob/bio/base/score/load.py
@@ -726,12 +726,16 @@ def _split_cmc_scores(
     # get all scores in the desired format
     return [
         (
-            numpy.array(neg_dict[probe_name], numpy.float64)
-            if probe_name in neg_dict
-            else None,
-            numpy.array(pos_dict[probe_name], numpy.float64)
-            if probe_name in pos_dict
-            else None,
+            (
+                numpy.array(neg_dict[probe_name], numpy.float64)
+                if probe_name in neg_dict
+                else None
+            ),
+            (
+                numpy.array(pos_dict[probe_name], numpy.float64)
+                if probe_name in pos_dict
+                else None
+            ),
         )
         for probe_name in probe_names
     ]