def instruments(self, market='all', filter_pipe=None, start_time=None, end_time=None):
    if ((start_time is not None) or (end_time is not None)):
        get_module_logger('Provider').warning('The instruments corresponds to a stock pool. Parameters `start_time` and `end_time` does not take effect now.')
    return InstrumentProvider.instruments(market, filter_pipe)
def instruments(self, market='all', filter_pipe=None, start_time=None, end_time=None):
    if ((start_time is not None) or (end_time is not None)):
        get_module_logger('Provider').warning('The instruments corresponds to a stock pool. Parameters `start_time` and `end_time` does not take effect now.')
    return InstrumentProvider.instruments(market, filter_pipe)