Linlang

Can [this PR](https://github.com/microsoft/qlib/pull/1257) help you?

This issue is caused by an upgrade of the qlib dependent library and is currently being fixed.

This bug has been fixed in [PR 1141](https://github.com/microsoft/qlib/pull/1141).

Hi! @Sheng1e8 @Smalltarget108 I am sorry to reply you so late, the slow download speed of dataset is because the server is in China, we want to use GLFS tool...

I tried executing `python ../baseline/rolling_benchmark.py run_all` in the `benchmarks_dynamic/DDG-DA` folder and didn't find this issue, so I suggest creating a new environment and trying again.

> 创了个新虚环境，报 [https://github.com/microsoft/qlib/issues/1166的错。所以暂不知道这个是否还存在](https://github.com/microsoft/qlib/issues/1166%E7%9A%84%E9%94%99%E3%80%82%E6%89%80%E4%BB%A5%E6%9A%82%E4%B8%8D%E7%9F%A5%E9%81%93%E8%BF%99%E4%B8%AA%E6%98%AF%E5%90%A6%E8%BF%98%E5%AD%98%E5%9C%A8) This bug has been fixed in [PR 1141](https://github.com/microsoft/qlib/pull/1141) and can be tried again.

May I ask, what's the installation method you used?

I'm trying to replay this issue and I find that some times it does occur and some times it doesn't. Is there a stable way to replay this issue?

I think I have found the cause of this problem and if I add the `delete_old` parameter when calling the `qlib_data` method [in this line of code](https://github.com/microsoft/qlib/blob/main/scripts/data_collector/yahoo/collector.py#L1166), it will be...

Sorry for taking so long to reply to you, I have made changes to this issue in [this PR](https://github.com/microsoft/qlib/pull/1092).