diff --git a/media/forms.py b/media/forms.py
index 7586c5e..fd0418b 100644
--- a/media/forms.py
+++ b/media/forms.py
@@ -116,7 +116,8 @@ class MediaAdminForm(ModelForm):
                     # Normalize side identifier, in order to remove accents
                     side_identifier = ''.join(
                         char
-                        for char in unicodedata.normalize('NFKD', side_identifier.casefold())
+                        for char in unicodedata.normalize(
+                            'NFKD', side_identifier.casefold())
                         if all(not unicodedata.category(char).startswith(cat)
                                for cat in {'M', 'P', 'Z', 'C'}) or char == ' '
                     ).casefold().upper()