diff --git a/Lib/trace.py b/Lib/trace.py
index 09fe9ee..dc72b8c 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -61,12 +61,12 @@
 from warnings import warn as _warn
 try:
     from time import monotonic as _time
-except ImportError:
+except ModuleNotFoundError:
     from time import time as _time
 
 try:
     import threading
-except ImportError:
+except ModuleNotFoundError:
     _settrace = sys.settrace
 
     def _unsettrace():