diff --git a/gestioncof/cms/templatetags/cofcms_tags.py b/gestioncof/cms/templatetags/cofcms_tags.py
index 31368f1a..f9e62aed 100644
--- a/gestioncof/cms/templatetags/cofcms_tags.py
+++ b/gestioncof/cms/templatetags/cofcms_tags.py
@@ -145,12 +145,13 @@ def dates(event):
             )
             if event.all_day:
                 return _("du {datestart} au {dateend}{common}").format(
-                    datestart=diffstart,
-                    dateend=diffend,
-                    common=common)
+                    datestart=diffstart, dateend=diffend, common=common
+                )
 
             else:
-                return _("du {datestart}{common} à {timestart} au {dateend} à {timeend}").format(
+                return _(
+                    "du {datestart}{common} à {timestart} au {dateend} à {timeend}"
+                ).format(
                     datestart=diffstart,
                     common=common,
                     timestart=timestart_string,
@@ -162,5 +163,5 @@ def dates(event):
             return _("le {datestart}").format(datestart=datestart_string)
         else:
             return _("le {datestart} à {timestart}").format(
-                datestart=datestart_string,
-                timestart=timestart_string)
+                datestart=datestart_string, timestart=timestart_string
+            )