arviz-devs/arviz

logger shows duplicated messages

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#1,100 创建于 2020年3月2日

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描述

Describe the bug Logger messages are duplicated (I think it is not always, it may depend on the environment used, I haven't checked too thoroughly though). One example in cookbook

image

and another in refitting notebook

image

To Reproduce Run said notebooks.

Expected behavior Messages appear only once.

Additional context ArviZ 0.7.0

贡献者指南

技术栈
python
领域
backenddeveloper experience
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
2
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
Pythonlogging basics
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
60
研究方向
The issue describes duplicated logger messages in ArviZ notebooks. Likely cause: duplicate handlers added to the root logger. Investigate the logger configuration in arviz/ init .py or arviz/utils.py to find where handlers are added. Ensure only one handler is attached to avoid duplication. The fix may involve using a singleton pattern for the logger or removing extra handlers. The screenshots show examples in cookbook and refitting notebooks, so reproduction may require running those notebooks with the current codebase.