diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index dce5282..14b09e4 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -1003,9 +1003,9 @@ class Event(models.Model):
                 possibly_duplicated=self.possibly_duplicated
             ).exclude(pk=self.pk)
 
-    def get_comparison(events):
+    def get_comparison(events, all=True):
         result = []
-        for attr in Event.data_fields(all=True, local_img=False, exact_location=False):
+        for attr in Event.data_fields(all=all, local_img=False, exact_location=False):
             values = [getattr(e, attr) for e in events]
             values = ["" if v is None else v for v in values]
             values = [[] if attr == "tags" and v == "" else v for v in values]
@@ -1019,8 +1019,8 @@ class Event(models.Model):
                 result.append({"similar": False, "key": attr, "values": values})
         return result
 
-    def similar(self, event):
-        res = Event.get_comparison([self, event])
+    def similar(self, event, all=True):
+        res = Event.get_comparison([self, event], all)
         for r in res:
             if not r["similar"]:
                 return False
@@ -1170,10 +1170,12 @@ class Event(models.Model):
             if len(same_events) != 0:
                 # check if one event has been imported and not modified in this list
                 same_imported = Event.find_last_imported_not_modified(same_events)
+                # check if the imported events are similar or not (considering data and not category or tags)
                 same_events_not_similar = [
-                    e for e in same_events if not e.similar(event)
+                    e for e in same_events if not e.similar(event, False)
                 ]
                 if same_imported or len(same_events_not_similar) == 0:
+                    # TODO: revoir ici:
                     if not same_imported:
                         same_imported = Event.find_last_imported(same_events)