log.info('Measuring convergence...')
>           measureConvergence(topology)

ds/dirsrvtests/tests/suites/replication/init-ruv_test.py:669:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
ds/dirsrvtests/tests/suites/replication/init-ruv_test.py:441: in measureConvergence
    ReplTools.replConvReport(DEFAULT_SUFFIX, entries, master[1], replicas)
lib389/lib389/repltools.py:144: in replConvReport
    csnstr, csntime = _getCSNandTime(replica, op)
lib389/lib389/repltools.py:56: in _getCSNandTime
    vals = inst.ds_access_log.parse_line(op_line[0])
lib389/lib389/dirsrv_log.py:231: in parse_line
    action['datetime'] = self.parse_timestamp(action['timestamp'])
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <lib389.dirsrv_log.DirsrvAccessLog object at 0x7f2fc12155d0>, ts = '[22/Sep/2016:15:14:10 +0200]'<<<<<<<<<< this seems to be a normal timestamp from a log

    def parse_timestamp(self, ts):
        """Parse a logs timestamps and break it down into its individual parts
            @param ts - The timestamp string from a log
            @return - a "datetime" object
            """
        timedata = self.prog_timestamp.match(ts).groupdict()
        # Now, have to convert month to an int.
        dt_str = '{YEAR}-{MONTH}-{DAY} {HOUR}-{MINUTE}-{SECOND} {TZ}'.format(
            YEAR=timedata['year'],
            MONTH=MONTH_LOOKUP[timedata['month']],
            DAY=timedata['day'],
            HOUR=timedata['hour'],
            MINUTE=timedata['minute'],
            SECOND=timedata['second'],
            TZ=timedata['tz'],
            )
        dt = dt_parse(dt_str)
>       dt = dt.replace(microsecond=int(int(timedata['nanosecond']) / 1000))
E       ValueError: invalid literal for int() with base 10: ''

lib389/lib389/dirsrv_log.py:155: ValueError