[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

ldapauthenticator/ldapauthenticator.py

@@ -337,7 +337,9 @@ def resolve_username(self, username_supplied_by_user):
             password=self.lookup_dn_search_password,
         )
         if not conn:
-            self.log.error(f"Failed to bind lookup_dn_search_user '{self.lookup_dn_search_user}'")
+            self.log.error(
+                f"Failed to bind lookup_dn_search_user '{self.lookup_dn_search_user}'"
+            )
             return (None, None)
 
         search_filter = self.lookup_dn_search_filter.format(