minor flake fix

.ipr/starbench.py

@@ -3,7 +3,7 @@
 import threading
 import subprocess
 import os
-from typing import List, Dict, IO  # , Set, , Tuple, Optional
+from typing import List, Dict  # , Set, , Tuple, Optional
 from datetime import datetime
 from pathlib import Path
 from abc import ABC, abstractmethod