Error with zone Pacific/Apia

this error occurs first time in pytz-2011k-py2.7 and only for Pacific/Apia where date > 2011-09-24:

Traceback (most recent call last):
  File "tzData.py", line 184, in <module>
    if highTransit.dst().seconds > 0:
ValueError: tzinfo.dst() returned 1440; must be in -1439 .. 1439

any idea ?

regards stefans.Ki