Checks if the venue is open at the time of day given a venue id.

        
        args:
            id:   string of venue id 
            time: string of the format ex: "12:00:00"
            day: string of weekday  ex:  "Monday"
            
        returns:
            Bool if there is hours data available
            None otherwise

        Note:
          can get the string of the day and time from a time object if desired  
          by using time.strftime() 
          ex:
             day = time.strftime('%A',some_time_object)
             time = time.strftime('%H:%M:%S',some_time_object)

def is_open(self,id,time,day):
      """
        Checks if the venue is open at the time of day given a venue id.

        
        args:
            id:   string of venue id 
            time: string of the format ex: "12:00:00"
            day: string of weekday  ex:  "Monday"
            
        returns:
            Bool if there is hours data available
            None otherwise

        Note:
          can get the string of the day and time from a time object if desired  
          by using time.strftime() 
          ex:
             day = time.strftime('%A',some_time_object)
             time = time.strftime('%H:%M:%S',some_time_object)

      """
      details = self.get_details(id)
      has_data = False

      for obj in details["objects"]:
        hours = obj["open_hours"][day]
        if hours:
          has_data = True
          for interval in hours:
            interval = interval.replace(' ','').split('-')
            open_time = interval[0]
            close_time = interval[1]
            if open_time < time < close_time:
              return True


      if has_data:
        return False
      else:
        return None