Issue #18200: Update the stdlib (except tests) to use

ModuleNotFoundError.

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 137ebcbd82..79e6df25e1 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -9,7 +9,7 @@ import errno
 # Import _thread instead of threading to reduce startup cost
 try:
     from _thread import allocate_lock as Lock
-except ImportError:
+except ModuleNotFoundError:
     from _dummy_thread import allocate_lock as Lock
 
 import io
@@ -1486,7 +1486,7 @@ class TextIOWrapper(TextIOBase):
             if encoding is None:
                 try:
                     import locale
-                except ImportError:
+                except ModuleNotFoundError:
                     # Importing locale may fail if Python is being built
                     encoding = "ascii"
                 else: