plugin XEP-0060: fix incorrect type hint.

libervia/backend/plugins/plugin_pubsub_cache.py

@@ -405,8 +405,8 @@ class PubsubCache:
                 conf = await self._p.getConfiguration(client, service, node)
             except Exception as e:
                 log.warning(
-                    f"Can't retrieve configuration for node {node!r} at service {service} "
-                    f"for {client.profile}: {e}"
+                    f"Can't retrieve configuration for node {node!r} at service "
+                    f"{service} for {client.profile}: {e}"
                 )
             else:
                 analyse["conf"] = conf

libervia/backend/plugins/plugin_xep_0060.py

@@ -744,7 +744,7 @@ class XEP_0060(object):
         sub_id: Optional[str] = None,
         rsm_request: Optional[rsm.RSMRequest] = None,
         extra: Optional[dict] = None
-    ) -> Tuple[List[dict], dict]:
+    ) -> Tuple[List[domish.Element], dict]:
         """Retrieve pubsub items from a node.
 
         @param service (JID, None): pubsub service.