code: def __init__(self, fromDate=None, toDate=None):
      super(USEquitiesRTH, self).__init__(fromDate, toDate)
  
      self.__fromTime = datetime.time(9, 30, 0)
      self.__toTime = datetime.time(16, 0, 0)
  
imports: import datetime
  import pytz
  import six
  from pyalgotrade.utils import dt
  from pyalgotrade.utils import csvutils
  from pyalgotrade.barfeed import membf
  from pyalgotrade import bar
label_desc: Use image node_id 1 to create a new USEquitiesRTH object from inherited base classes: DateRangeFilter with example: obj = USEquitiesRTH(fromDate, toDate)