diff --git a/sat/plugins/plugin_xep_0060.py b/sat/plugins/plugin_xep_0060.py
index 947015d5..13032ac7 100644
--- a/sat/plugins/plugin_xep_0060.py
+++ b/sat/plugins/plugin_xep_0060.py
@@ -1128,10 +1128,8 @@ class XEP_0060(object):
         """
         items, metadata = items_data
 
-        def eb(failure):
-            log.warning(
-                "Error while serialising/parsing item: {}".format(str(failure.value))
-            )
+        def eb(failure_):
+            log.warning(f"Error while serialising/parsing item: {failure_.value}")
 
         d = defer.gatherResults([item_cb(item).addErrback(eb) for item in items])
 
diff --git a/sat/plugins/plugin_xep_0277.py b/sat/plugins/plugin_xep_0277.py
index cd19e92a..38daa496 100644
--- a/sat/plugins/plugin_xep_0277.py
+++ b/sat/plugins/plugin_xep_0277.py
@@ -365,8 +365,8 @@ class XEP_0277(object):
                 microblog_data[key] = link_elt["href"]
                 try:
                     service, node = self.parseCommentUrl(microblog_data[key])
-                except:
-                    log.warning("Can't parse url {}".format(microblog_data[key]))
+                except Exception as e:
+                    log.warning(f"Can't parse url {microblog_data[key]}: {e}")
                     del microblog_data[key]
                 else:
                     microblog_data["{}_service".format(key)] = service.full()
@@ -853,7 +853,7 @@ class XEP_0277(object):
         """
         parsed_url = urllib.parse.urlparse(node_url, "xmpp")
         service = jid.JID(parsed_url.path)
-        parsed_queries = urllib.parse.parse_qs(parsed_url.query.encode("utf-8"))
+        parsed_queries = urllib.parse.parse_qs(parsed_url.query)
         node = parsed_queries.get("node", [""])[0]
 
         if not node: