Issue #9063: Corrected the tzinfo example.

Doc/includes/tzinfo-examples.py

@@ -71,7 +71,7 @@ class LocalTimezone(tzinfo):
     def _isdst(self, dt):
         tt = (dt.year, dt.month, dt.day,
               dt.hour, dt.minute, dt.second,
-              dt.weekday(), 0, -1)
+              dt.weekday(), 0, 0)
         stamp = _time.mktime(tt)
         tt = _time.localtime(stamp)
         return tt.tm_isdst > 0