diff --git a/archivebox/logging_util.py b/archivebox/logging_util.py
index 542e2b78..acf62511 100644
--- a/archivebox/logging_util.py
+++ b/archivebox/logging_util.py
@@ -432,7 +432,7 @@ def log_archive_method_finished(result: "ArchiveResult"):
         # Prettify error output hints string and limit to five lines
         hints = getattr(result.output, 'hints', None) or ()
         if hints:
-            if isinstance(hints, (list, tuple)):
+            if isinstance(hints, (list, tuple, type(_ for _ in ()))):
                 hints = (hint.decode() for hint in hints if isinstance(hint, bytes))
             else:
                 if isinstance(hints, bytes):