    def get_session_id(self, basename):
        """ Returns unique session identifier. """
        
        time_stamp = get_timestamp()
        
        if basename:
            session_id = '{b}_{ts}'.format(b=basename, ts=time_stamp)
        else:
            session_id = time_stamp
        return session_id
Returns unique session identifier.
ISR/utils/train_helper.py