4 files changed, 4 insertions, 0 deletions
diff --git a/django/core/cache/backends/base.py b/django/core/cache/backends/base.py
index 09b0a5f9c8..1111fdb41f 100644
--- a/django/core/cache/backends/base.py
+++ b/django/core/cache/backends/base.py
@@ -1,4 +1,5 @@
 "Base Cache class."
+
 import time
 import warnings
 
diff --git a/django/core/cache/backends/db.py b/django/core/cache/backends/db.py
index d231d66b2f..b3f4eab7c1 100644
--- a/django/core/cache/backends/db.py
+++ b/django/core/cache/backends/db.py
@@ -1,4 +1,5 @@
 "Database cache backend."
+
 import base64
 import pickle
 from datetime import UTC, datetime
diff --git a/django/core/cache/backends/filebased.py b/django/core/cache/backends/filebased.py
index cbf47e4e16..862a8b57d9 100644
--- a/django/core/cache/backends/filebased.py
+++ b/django/core/cache/backends/filebased.py
@@ -1,4 +1,5 @@
 "File-based cache backend"
+
 import glob
 import os
 import pickle
diff --git a/django/core/cache/backends/locmem.py b/django/core/cache/backends/locmem.py
index cbc8dba51e..b62fedbbd9 100644
--- a/django/core/cache/backends/locmem.py
+++ b/django/core/cache/backends/locmem.py
@@ -1,4 +1,5 @@
 "Thread-safe in-memory cache backend."
+
 import pickle
 import time
 from collections import OrderedDict