diff --git a/pythonie/pythonie/settings/dev.py b/pythonie/pythonie/settings/dev.py
index d347b08..9e09010 100644
--- a/pythonie/pythonie/settings/dev.py
+++ b/pythonie/pythonie/settings/dev.py
@@ -1,6 +1,8 @@
+# ruff: noqa
+import os
 from pythonie.settings.configure import configure_redis
 
-from .base import *  # flake8: noqa
+from .base import *
 
 DEBUG = True
 
diff --git a/pythonie/pythonie/settings/production.py b/pythonie/pythonie/settings/production.py
index 90e9350..4abc442 100644
--- a/pythonie/pythonie/settings/production.py
+++ b/pythonie/pythonie/settings/production.py
@@ -1,6 +1,8 @@
+# ruff: noqa
+import os
 from pythonie.settings.configure import configure_redis
 
-from .base import *  # flake8: noqa
+from .base import *
 
 # Disable debug mode
 DEBUG = False
diff --git a/pythonie/pythonie/settings/tests.py b/pythonie/pythonie/settings/tests.py
index c129f2c..537c79c 100644
--- a/pythonie/pythonie/settings/tests.py
+++ b/pythonie/pythonie/settings/tests.py
@@ -1,6 +1,8 @@
+# ruff: noqa
+import os
 from pythonie.settings.configure import configure_redis
 
-from .base import *  # flake8: noqa
+from .base import *
 
 DEBUG = True