Index: Lib/_strptime.py
===================================================================
--- Lib/_strptime.py	(revision 69496)
+++ Lib/_strptime.py	(working copy)
@@ -14,7 +14,7 @@
 import locale
 import calendar
 from re import compile as re_compile
-from re import IGNORECASE, ASCII
+from re import IGNORECASE
 from re import escape as re_escape
 from datetime import date as datetime_date
 try:
@@ -262,7 +262,7 @@
 
     def compile(self, format):
         """Return a compiled re object for the format string."""
-        return re_compile(self.pattern(format), IGNORECASE | ASCII)
+        return re_compile(self.pattern(format), IGNORECASE)
 
 _cache_lock = _thread_allocate_lock()
 # DO NOT modify _TimeRE_cache or _regex_cache without acquiring the cache lock