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line 139, in _all_cached_instruments_list
return _all_instruments_list(market)
File "D:\veighna_studio\lib\site-packages\rqdatac\services\basic.py", line 116, in _all_instruments_list
ins = [Instrument(i) for i in get_client().execute("all_instruments", market=market)]
File "D:\veighna_studio\lib\site-packages\rqdatac\decorators.py", line 71, in wrap
raise e
File "D:\veighna_studio\lib\site-packages\rqdatac\decorators.py", line 67, in wrap
return func(*args, **kwargs)
File "D:\veighna_studio\lib\site-packages\rqdatac\connection_pool.py", line 27, in execute
return conn.execute(method, *args, **kwargs)
File "rqdatac\connection.py", line 117, in rqdatac.connection.Connection.execute
File "rqdatac\connection.py", line 84, in rqdatac.connection.Connection._read_one_packet
rqdatac.connection.ProtocolError: error('BrotliDecompress failed')

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帮你测了下目前下载数据正常,今天再试试?