--- a/libervia/backend/plugins/plugin_xep_0352.py	Tue Jun 18 12:06:45 2024 +0200
+++ b/libervia/backend/plugins/plugin_xep_0352.py	Wed Jun 19 18:44:57 2024 +0200
@@ -32,8 +32,10 @@
     C.PI_DEPENDENCIES: [],
     C.PI_MAIN: "XEP_0352",
     C.PI_HANDLER: "no",
-    C.PI_DESCRIPTION: D_("Notify server when frontend is not actively used, to limit "
-                         "traffic and save bandwidth and battery life"),
+    C.PI_DESCRIPTION: D_(
+        "Notify server when frontend is not actively used, to limit "
+        "traffic and save bandwidth and battery life"
+    ),
 }
 
 NS_CSI = "urn:xmpp:csi:0"
@@ -54,30 +56,35 @@
         except AttributeError:
             # _xep_0352_active can not be set if is_active is called before
             # profile_connected has been called
-            log.debug("is_active called when XEP-0352 plugin has not yet set the "
-                      "attributes")
+            log.debug(
+                "is_active called when XEP-0352 plugin has not yet set the " "attributes"
+            )
             return True
 
     def profile_connected(self, client):
-        if (NS_CSI, 'csi') in client.xmlstream.features:
+        if (NS_CSI, "csi") in client.xmlstream.features:
             log.info(_("Client State Indication is available on this server"))
             client._xep_0352_enabled = True
             client._xep_0352_active = True
         else:
-            log.warning(_("Client State Indication is not available on this server, some"
-                          " bandwidth optimisations can't be used."))
+            log.warning(
+                _(
+                    "Client State Indication is not available on this server, some"
+                    " bandwidth optimisations can't be used."
+                )
+            )
             client._xep_0352_enabled = False
 
     def set_inactive(self, client):
         if self.is_active(client):
-            inactive_elt = domish.Element((NS_CSI, 'inactive'))
+            inactive_elt = domish.Element((NS_CSI, "inactive"))
             client.send(inactive_elt)
             client._xep_0352_active = False
             log.info("inactive state set")
 
     def set_active(self, client):
         if not self.is_active(client):
-            active_elt = domish.Element((NS_CSI, 'active'))
+            active_elt = domish.Element((NS_CSI, "active"))
             client.send(active_elt)
             client._xep_0352_active = True
             log.info("active state set")