--- a/libervia/backend/plugins/plugin_exp_pubsub_admin.py	Tue Jun 18 12:06:45 2024 +0200
+++ b/libervia/backend/plugins/plugin_exp_pubsub_admin.py	Wed Jun 19 18:44:57 2024 +0200
@@ -37,9 +37,11 @@
     C.PI_RECOMMENDATIONS: [],
     C.PI_MAIN: "PubsubAdmin",
     C.PI_HANDLER: "no",
-    C.PI_DESCRIPTION: _("""\Implementation of Pubsub Administrator
+    C.PI_DESCRIPTION: _(
+        """\Implementation of Pubsub Administrator
 This allows a pubsub administrator to overwrite completly items, including publisher.
-Specially useful when importing a node."""),
+Specially useful when importing a node."""
+    ),
 }
 
 NS_PUBSUB_ADMIN = "https://salut-a-toi.org/spec/pubsub_admin:0"
@@ -58,35 +60,36 @@
             async_=True,
         )
 
-    def _publish(self, service, nodeIdentifier, items, extra=None,
-                 profile_key=C.PROF_KEY_NONE):
+    def _publish(
+        self, service, nodeIdentifier, items, extra=None, profile_key=C.PROF_KEY_NONE
+    ):
         client = self.host.get_client(profile_key)
         service = None if not service else jid.JID(service)
         extra = data_format.deserialise(extra)
-        items = [generic.parseXml(i.encode('utf-8')) for i in items]
-        return self.publish(
-            client, service, nodeIdentifier, items, extra
-        )
+        items = [generic.parseXml(i.encode("utf-8")) for i in items]
+        return self.publish(client, service, nodeIdentifier, items, extra)
 
     def _send_cb(self, iq_result):
         publish_elt = iq_result.admin.pubsub.publish
         ids = []
-        for item_elt in publish_elt.elements(pubsub.NS_PUBSUB, 'item'):
-            ids.append(item_elt['id'])
+        for item_elt in publish_elt.elements(pubsub.NS_PUBSUB, "item"):
+            ids.append(item_elt["id"])
         return ids
 
     def publish(self, client, service, nodeIdentifier, items, extra=None):
         for item in items:
-            if item.name != 'item' or item.uri != pubsub.NS_PUBSUB:
+            if item.name != "item" or item.uri != pubsub.NS_PUBSUB:
                 raise exceptions.DataError(
-                    'Invalid element, a pubsub item is expected: {xml}'.format(
-                    xml=item.toXml()))
+                    "Invalid element, a pubsub item is expected: {xml}".format(
+                        xml=item.toXml()
+                    )
+                )
         iq_elt = client.IQ()
-        iq_elt['to'] = service.full() if service else client.jid.userhost()
-        admin_elt = iq_elt.addElement((NS_PUBSUB_ADMIN, 'admin'))
-        pubsub_elt = admin_elt.addElement((pubsub.NS_PUBSUB, 'pubsub'))
-        publish_elt = pubsub_elt.addElement('publish')
-        publish_elt['node'] = nodeIdentifier
+        iq_elt["to"] = service.full() if service else client.jid.userhost()
+        admin_elt = iq_elt.addElement((NS_PUBSUB_ADMIN, "admin"))
+        pubsub_elt = admin_elt.addElement((pubsub.NS_PUBSUB, "pubsub"))
+        publish_elt = pubsub_elt.addElement("publish")
+        publish_elt["node"] = nodeIdentifier
         for item in items:
             publish_elt.addChild(item)
         d = iq_elt.send()