File "/usr/lib/python3/dist-packages/meld/task.py", line 108, in iteration ret = next(task) File "/usr/lib/python3/dist-packages/meld/dirdiff.py", line 775, in _search_recursively_iter differences |= self._update_item_state(child) File "/usr/lib/python3/dist-packages/meld/dirdiff.py", line 1305, in _update_item_state newest_time = max(existing_times)ValueError: max() arg is an empty sequence