def T(self):
        if not self.timezone:
            return ""

        name = None
        try:
            name = self.timezone.tzname(self.data)
        except Exception:
            # pytz raises AmbiguousTimeError during the autumn DST change.
            # This happens mainly when __init__ receives a naive datetime
            # and sets self.timezone = get_default_timezone().
            pass
        if name is None:
            name = self.format('O')
        return six.text_type(name)
Time zone of this machine; e.g. 'EST' or 'MDT'.
dataset/ETHPy150Open django/django/django/utils/dateformat.py/TimeFormat.T