Fix bug in views

gwcelery/views.py

@@ -199,8 +199,12 @@ def _construct_igwn_alert_and_send_prelim_alert(superevent_event_list,
         'object': superevent
     }
 
-    orchestrator.earlywarning_preliminary_alert(event, alert, superevent_id,
-                                                initiate_voevent)
+    orchestrator.earlywarning_preliminary_alert(
+        event,
+        alert,
+        alert_type='preliminary',
+        initiate_voevent=initiate_voevent
+    )
 
 
 @app.route('/send_preliminary_gcn', methods=['POST'])