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Describe the current behavior / 问题描述 (Mandatory / 必填)

compile.md的UT测试章节指示安装tests/requirements.txt（仅含tensorflow和valgrind），但构建过程中pypto codegen需要pybind11 pip包，导致首次执行bash build.sh -u时报ModuleNotFoundError: No module named 'pybind11'而失败。文档既未在tests/requirements.txt中声明该依赖，也未在UT测试步骤中提及需手动安装pybind11 pip包

Environment / 环境信息 (Mandatory / 必填)

无

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

build.sh -u时报ModuleNotFoundError: No module named 'pybind11'`

Describe the expected behavior / 预期结果 (Mandatory / 必填)

无缺失依赖报错

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

无

Special notes for this issue/备注 (Optional / 选填)