code: def fixDateTime(self, dateTime):
      ret = dateTime
      if dateTime == self.__lastDateTime:
          ret = dateTime + datetime.timedelta(
              microseconds=self.__nextFix
          )
          self.__nextFix += 1
      else:
          # Reset self.__nextFix
          self.__nextFix = 1
      self.__lastDateTime = dateTime
      return ret
  
imports: from pyalgotrade import barfeed
  from pyalgotrade import bar
  from pyalgotrade.barfeed import csvfeed
  from pyalgotrade.utils import dt
  import datetime
label_desc: Use image node_id 2 for calling the UnixTimeFix obj's underlying member method code with example usage: obj.fixDateTime(dateTime) and returns: ret