diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 3a34134b4..5f001c12a 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -1307,7 +1307,7 @@ def app_clearaccess(apps):
 
     """
     from yunohost.permission import user_permission_reset
-    
+
     output = {}
     for app in apps:
         permission = user_permission_reset(app + ".main")
diff --git a/src/yunohost/certificate.py b/src/yunohost/certificate.py
index 633877d7c..52d58777b 100644
--- a/src/yunohost/certificate.py
+++ b/src/yunohost/certificate.py
@@ -950,4 +950,5 @@ def _name_self_CA():
 
 def _tail(n, file_path):
     from moulinette.utils.process import check_output
+
     return check_output(f"tail -n {n} '{file_path}'")