Fix #330

src/agenda_culturel/import_tasks/custom_extractors/fbevents.py

@@ -111,6 +111,8 @@ class CExtractor(TwoStepsExtractor):
             for event in fevent.build_events(event_url):
                 event["published"] = published
 
+                # only add the event if its unknown
+                if len([e for e in self.events if event["uuids"][0] in e["uuids"]]) == 0:
                     self.add_event(default_values, **event)
         else:
             if debug: