Issue #18200: Update the stdlib (except tests) to use
ModuleNotFoundError.
diff --git a/Lib/threading.py b/Lib/threading.py
index 3526894..90612e5 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -6,14 +6,14 @@
 from time import sleep as _sleep
 try:
     from time import monotonic as _time
-except ImportError:
+except ModuleNotFoundError:
     from time import time as _time
 from traceback import format_exc as _format_exc
 from _weakrefset import WeakSet
 from itertools import islice as _islice
 try:
     from _collections import deque as _deque
-except ImportError:
+except ModuleNotFoundError:
     from collections import deque as _deque
 
 # Note regarding PEP 8 compliant names
@@ -922,7 +922,7 @@
 
 try:
     from _thread import _local as local
-except ImportError:
+except ModuleNotFoundError:
     from _threading_local import local