code: def peekDateTime(self):
      return self.__datetimes[0]
  
imports: import datetime
  import copy
  from six.moves import xrange
  from .None import common
  from pyalgotrade import observer
  from pyalgotrade import dispatcher
label_desc: Use image node_id 8 for calling the NonRealtimeFeed obj's underlying member method code with example usage: obj.peekDateTime() and returns: self