--- a/sat/plugins/plugin_exp_events.py	Sun Jun 27 00:15:40 2021 +0200
+++ b/sat/plugins/plugin_exp_events.py	Wed Jun 30 16:19:14 2021 +0200
@@ -212,8 +212,7 @@
             data["creator"] = True
         return timestamp, data
 
-    @defer.inlineCallbacks
-    def getEventElement(self, client, service, node, id_):
+    async def getEventElement(self, client, service, node, id_):
         """Retrieve event element
 
         @param service(jid.JID): pubsub service
@@ -224,23 +223,24 @@
         """
         if not id_:
             id_ = NS_EVENT
-        items, metadata = yield self._p.getItems(client, service, node, item_ids=[id_])
+        items, metadata = await self._p.getItems(client, service, node, item_ids=[id_])
         try:
             event_elt = next(items[0].elements(NS_EVENT, "event"))
         except StopIteration:
             raise exceptions.NotFound(_("No event element has been found"))
         except IndexError:
             raise exceptions.NotFound(_("No event with this id has been found"))
-        defer.returnValue(event_elt)
+        return event_elt
 
     def _eventGet(self, service, node, id_="", profile_key=C.PROF_KEY_NONE):
         service = jid.JID(service) if service else None
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
-        return self.eventGet(client, service, node, id_)
+        return defer.ensureDeferred(
+            self.eventGet(client, service, node, id_)
+        )
 
-    @defer.inlineCallbacks
-    def eventGet(self, client, service, node, id_=NS_EVENT):
+    async def eventGet(self, client, service, node, id_=NS_EVENT):
         """Retrieve event data
 
         @param service(unicode, None): PubSub service
@@ -253,9 +253,9 @@
                 image: URL of a picture to use to represent event
                 background-image: URL of a picture to use in background
         """
-        event_elt = yield self.getEventElement(client, service, node, id_)
+        event_elt = await self.getEventElement(client, service, node, id_)
 
-        defer.returnValue(self._parseEventElt(event_elt))
+        return self._parseEventElt(event_elt)
 
     def _eventCreate(
         self, timestamp, data, service, node, id_="", profile_key=C.PROF_KEY_NONE
@@ -436,10 +436,11 @@
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
         invitee_jid = jid.JID(invitee_jid_s) if invitee_jid_s else None
-        return self.eventInviteeGet(client, service, node, invitee_jid)
+        return defer.ensureDeferred(
+            self.eventInviteeGet(client, service, node, invitee_jid)
+        )
 
-    @defer.inlineCallbacks
-    def eventInviteeGet(self, client, service, node, invitee_jid=None):
+    async def eventInviteeGet(self, client, service, node, invitee_jid=None):
         """Retrieve attendance from event node
 
         @param service(unicode, None): PubSub service
@@ -452,28 +453,30 @@
         if invitee_jid is None:
             invitee_jid = client.jid
         try:
-            items, metadata = yield self._p.getItems(
+            items, metadata = await self._p.getItems(
                 client, service, node, item_ids=[invitee_jid.userhost()]
             )
             event_elt = next(items[0].elements(NS_EVENT, "invitee"))
         except (exceptions.NotFound, IndexError):
             # no item found, event data are not set yet
-            defer.returnValue({})
+            return {}
         data = {}
         for key in ("attend", "guests"):
             try:
                 data[key] = event_elt[key]
             except KeyError:
                 continue
-        defer.returnValue(data)
+        return data
 
     def _eventInviteeSet(self, service, node, event_data, profile_key):
         service = jid.JID(service) if service else None
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
-        return self.eventInviteeSet(client, service, node, event_data)
+        return defer.ensureDeferred(
+            self.eventInviteeSet(client, service, node, event_data)
+        )
 
-    def eventInviteeSet(self, client, service, node, data):
+    async def eventInviteeSet(self, client, service, node, data):
         """Set or update attendance data in event node
 
         @param service(unicode, None): PubSub service
@@ -490,16 +493,17 @@
             except KeyError:
                 pass
         item_elt = pubsub.Item(id=client.jid.userhost(), payload=event_elt)
-        return self._p.publish(client, service, node, items=[item_elt])
+        return await self._p.publish(client, service, node, items=[item_elt])
 
     def _eventInviteesList(self, service, node, profile_key):
         service = jid.JID(service) if service else None
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
-        return self.eventInviteesList(client, service, node)
+        return defer.ensureDeferred(
+            self.eventInviteesList(client, service, node)
+        )
 
-    @defer.inlineCallbacks
-    def eventInviteesList(self, client, service, node):
+    async def eventInviteesList(self, client, service, node):
         """Retrieve attendance from event node
 
         @param service(unicode, None): PubSub service
@@ -507,7 +511,7 @@
         @return (dict): a dict with current attendance status,
             an empty dict is returned if nothing has been answered yed
         """
-        items, metadata = yield self._p.getItems(client, service, node)
+        items, metadata = await self._p.getItems(client, service, node)
         invitees = {}
         for item in items:
             try:
@@ -525,7 +529,7 @@
                     except KeyError:
                         continue
                 invitees[item["id"]] = data
-        defer.returnValue(invitees)
+        return invitees
 
     async def invitePreflight(
         self,