diff --git a/label_studio/data_manager/actions/cache_labels.py b/label_studio/data_manager/actions/cache_labels.py
index fc1fe1f54d4..af8aa893f76 100644
--- a/label_studio/data_manager/actions/cache_labels.py
+++ b/label_studio/data_manager/actions/cache_labels.py
@@ -18,7 +18,7 @@ def cache_labels_job(project, queryset, **kwargs):
     source_class = Annotation if source == 'annotations' else Prediction
     control_tag = request_data.get('custom_control_tag') or request_data.get('control_tag')
     with_counters = request_data.get('with_counters', 'Yes').lower() == 'yes'
-    
+
     if source == 'annotations':
         column_name = 'cache'
     else:
@@ -83,7 +83,7 @@ def cache_labels(project, queryset, request, **kwargs):
         queryset,
         organization_id=project.organization_id,
         request_data=request.data,
-        job_timeout=60*60*5  # max allowed duration is 5 hours
+        job_timeout=60 * 60 * 5,  # max allowed duration is 5 hours
     )
     return {'response_code': 200}
 
diff --git a/label_studio/tests/data_manager/actions/test_cache_labels.py b/label_studio/tests/data_manager/actions/test_cache_labels.py
index 7df31c67b73..92258d2cd63 100644
--- a/label_studio/tests/data_manager/actions/test_cache_labels.py
+++ b/label_studio/tests/data_manager/actions/test_cache_labels.py
@@ -1,15 +1,15 @@
 """Tests for the cache_labels action."""
 
 import pytest
-from tasks.models import Task, Annotation, Prediction
-from projects.models import Project
 from data_manager.actions.cache_labels import cache_labels_job
 from django.contrib.auth import get_user_model
+from projects.models import Project
+from tasks.models import Annotation, Prediction, Task
 
 
 @pytest.mark.django_db
 @pytest.mark.parametrize(
-    "source, control_tag, with_counters, expected_cache_column, use_predictions",
+    'source, control_tag, with_counters, expected_cache_column, use_predictions',
     [
         # Test case 1: Annotations, control tag 'ALL', with counters
         ('annotations', 'ALL', 'Yes', 'cache_all', False),
@@ -19,7 +19,7 @@
         ('annotations', 'ALL', 'No', 'cache_all', False),
         # Test case 4: Predictions, control tag 'ALL', with counters
         ('predictions', 'ALL', 'Yes', 'cache_predictions_all', True),
-    ]
+    ],
 )
 def test_cache_labels_job(source, control_tag, with_counters, expected_cache_column, use_predictions):
     # Initialize a test user and project
@@ -30,10 +30,7 @@ def test_cache_labels_job(source, control_tag, with_counters, expected_cache_col
     # Create a few tasks
     tasks = []
     for i in range(3):
-        task = Task.objects.create(
-            project=project,
-            data={'text': f'This is task {i}'}
-        )
+        task = Task.objects.create(project=project, data={'text': f'This is task {i}'})
         tasks.append(task)
 
     # Add a few annotations or predictions to these tasks
@@ -43,30 +40,16 @@ def test_cache_labels_job(source, control_tag, with_counters, expected_cache_col
                 'from_name': 'label',  # Control tag used in the result
                 'to_name': 'text',
                 'type': 'labels',
-                'value': {'labels': [f'Label_{i%2+1}']}
+                'value': {'labels': [f'Label_{i%2+1}']},
             }
         ]
         if use_predictions:
-            Prediction.objects.create(
-                task=task,
-                project=project,
-                result=result,
-                model_version='v1'
-            )
+            Prediction.objects.create(task=task, project=project, result=result, model_version='v1')
         else:
-            Annotation.objects.create(
-                task=task,
-                project=project,
-                completed_by=test_user,
-                result=result
-            )
+            Annotation.objects.create(task=task, project=project, completed_by=test_user, result=result)
 
     # Prepare the request data
-    request_data = {
-        'source': source,
-        'control_tag': control_tag,
-        'with_counters': with_counters
-    }
+    request_data = {'source': source, 'control_tag': control_tag, 'with_counters': with_counters}
 
     # Get the queryset of tasks to process
     queryset = Task.objects.filter(project=project)
@@ -96,18 +79,12 @@ def test_cache_labels_job(source, control_tag, with_counters, expected_cache_col
                 if control_tag == 'ALL' or control_tag == from_name:
                     value = result.get('value', {})
                     for key in value:
-                        if (
-                            isinstance(value[key], list)
-                            and value[key]
-                            and isinstance(value[key][0], str)
-                        ):
+                        if isinstance(value[key], list) and value[key] and isinstance(value[key][0], str):
                             all_labels.extend(value[key])
                             break
 
         if with_counters.lower() == 'yes':
-            expected_cache = ', '.join(
-                sorted([f'{label}: {all_labels.count(label)}' for label in set(all_labels)])
-            )
+            expected_cache = ', '.join(sorted([f'{label}: {all_labels.count(label)}' for label in set(all_labels)]))
         else:
             expected_cache = ', '.join(sorted(list(set(all_labels))))