contribution-academy-2021

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Describe the problem
A clear and concise description of what the problem is.
문제가 발생하는 상황에 대한 요약 설명을 적어주세요.

To Reproduce
Steps to reproduce the behavior:
문제를 재현하기 위한 순서를 자세히 적어주세요:

1. Download install-dev.sh in backend.ai meta repository via wget command.
2. Install pyenv, pyenv-virtualenv.
3. Install Python 3.9.5 version to pyenv
4. Change execute permission of install-dev.sh
5. Execute install-dev.sh
6. Installation stopped and throws error message like this:
   Your Python 3.9.5 is missing LZMA (XZ) support. Please reinstall or rebuild it..
   ...

Expected behavior
A clear and concise description of what you expected to happen.
원래 기대했던 동작은 어떤 것인지 명확하게 적어주세요.

Screenshots
If applicable, add screenshots to help explain your problem.
Just take a screenshot in your clipboard or copy a picture file and paste it here (Ctrl+V/Cmd+V)
so that GitHub automatically attach and insert it.
가능하다면, 문제 상황을 보여주는 스크린샷을 첨부해주세요.
클립보드에 스크린샷을 찍거나 이미지 파일을 복사해서 여기에 붙여넣으면(Ctrl+V/Cmd+V) GitHub이 자동으로 이곳에 첨부 및 삽입해줍니다.

Environment Description

• OS: [e.g. macOS 10.14, Windows 10 (1903)]
• App version: [e.g. 19.08.3] (if you are using a GUI client app)
• Browser version: [e.g. Chrome 76, Safari, Edge] (if you are using a GUI web console)
• Python version: [e.g. 3.7.4] (if you are using the Python SDK)
• NodeJS version: [e.g. 12.0] (if you are using the Javascript SDK)
• Current Shell(💡 to see it, execute the command: echo $SHELL): [e.g. zsh]