fcfangcc

想学习下代码，训练好之后使用发现util.py里面的预测函数没有。能否添加下呢

not found xl/sharedStrings.xml.

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如果读取openpyxl生成的xlsx文件时会提示找不到xl/sharedStrings.xml ， 查阅资料后发现xl/sharedStrings.xml这个文件不是必须的 [关于openpyxl的解答](https://groups.google.com/g/openpyxl-users/c/EdLB2d6ZKb4/m/VB15veW4BQAJ) 是否应该考虑这个定义为 ```rust pub shared_strings: Option ``` https://github.com/zitsen/ooxml-rs/blob/c0765feb9c1595b354dc4ef9cf075b05edb7da99/src/document/spreadsheet/mod.rs#L68-L73

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Fix aiokafka multiple values headers error.

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# Description When using the **send_and_wait** method, a **TypeError** occurs: **`TypeError: original_send() got multiple values for argument 'headers'`** This happens because of the following lines in the OpenTelemetry AIoKafka instrumentation...

Compatible File storage provider that do not support signature with trailer

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### Feature Request / Improvement When use fsspec io-impl, put object to File Storage Provider(FSP) not support - [Signature calculations for trailing headers](https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming-trailers.html) - [checking-object-integrity-upload](https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity-upload.html) Put file like snapxxx.avro will...

详情见 #75 考虑可以存储到sqlite等数据库，方便持久化与清理