diff --git a/Lib/_strptime.py b/Lib/_strptime.py
--- a/Lib/_strptime.py
+++ b/Lib/_strptime.py
@@ -16,17 +16,17 @@ import calendar
 from re import compile as re_compile
 from re import IGNORECASE, ASCII
 from re import escape as re_escape
 from datetime import (date as datetime_date,
                       timedelta as datetime_timedelta,
                       timezone as datetime_timezone)
 try:
     from _thread import allocate_lock as _thread_allocate_lock
-except:
+except ImportError:
     from _dummy_thread import allocate_lock as _thread_allocate_lock
 
 __all__ = []
 
 def _getlang():
     # Figure out what the current language is set to.
     return locale.getlocale(locale.LC_TIME)