Issue #18200: Update the stdlib (except tests) to use
ModuleNotFoundError.
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 78907e0..553d3c6 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -353,7 +353,7 @@
 import errno
 try:
     from time import monotonic as _time
-except ImportError:
+except ModuleNotFoundError:
     from time import time as _time
 
 # Exception classes used by this module.