Remove _can_support_c99 from _pydatetime.py

Author: encukou

Lib/_pydatetime.py

@@ -213,17 +213,6 @@ def _need_normalize_century():
             _normalize_century = True
     return _normalize_century
 
-_supports_c99 = None
-def _can_support_c99():
-    global _supports_c99
-    if _supports_c99 is None:
-        try:
-            _supports_c99 = (
-                _time.strftime("%F", (1900, 1, 1, 0, 0, 0, 0, 1, 0)) == "1900-01-01")
-        except ValueError:
-            _supports_c99 = False
-    return _supports_c99
-
 # Correctly substitute for %z and %Z escapes in strftime formats.
 def _wrap_strftime(object, format, timetuple):
     # Don't call utcoffset() or tzname() unless actually needed.
@@ -283,7 +272,7 @@ def _wrap_strftime(object, format, timetuple):
                     newformat.append(Zreplace)
                 # Note that datetime(1000, 1, 1).strftime('%G') == '1000' so
                 # year 1000 for %G can go on the fast path.
-                elif ((ch in 'YG' or ch in 'FC' and _can_support_c99()) and
+                elif ((ch in 'YG' or ch in 'FC') and
                         object.year < 1000 and _need_normalize_century()):
                     if ch == 'G':
                         year = int(_time.strftime("%G", timetuple))