def getStartTime(self):
assert not self.isWaitingToStart(), "<STR_LIT>" % self<EOL>return "<STR_LIT:%s>" % self.__rawInfo.startTime<EOL>
Returns model evaluation start time.

        NOTE: it's an error to call this method if isWaitingToStart() would
        return True.

        Parameters:
        ----------------------------------------------------------------------
        retval:         model evaluation start time