fix python ctrl+c coredump · Pull Request !83 · openEuler/yuanrong-runtime

1. fix coredump
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**What type of PR is this?**

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**What does this PR do / why do we need it**:

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**Which issue(s) this PR fixes**:

Fixes #

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**Test Plan and Test result：What scenarios were tested, and what were the verification results（Function, performance, reliability, etc.）**：

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类型	指派人员	状态
审查	openeuler-ci-bot luozhancheng liangyi	进行中 (0/1人)
测试	openeuler-ci-bot	进行中 (0/1人)

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