diff --git a/app/scodoc/sco_formations.py b/app/scodoc/sco_formations.py
index 7a77029ea..a109cf5e9 100644
--- a/app/scodoc/sco_formations.py
+++ b/app/scodoc/sco_formations.py
@@ -502,10 +502,13 @@ def formation_list_table(formation_id=None, args={}):
         else:
             but_locked = '<span class="but_placeholder"></span>'
         if editable and not locked:
-            but_suppr = '<a class="stdlink" href="formation_delete?formation_id=%s" id="delete-formation-%s">%s</a>' % (
-                f["formation_id"],
-                f["acronyme"].lower().replace(" ", "-"),
-                suppricon,
+            but_suppr = (
+                '<a class="stdlink" href="formation_delete?formation_id=%s" id="delete-formation-%s">%s</a>'
+                % (
+                    f["formation_id"],
+                    f["acronyme"].lower().replace(" ", "-"),
+                    suppricon,
+                )
             )
         else:
             but_suppr = '<span class="but_placeholder"></span>'