Unreasonable term in PaddlePaddle Contributor License Agreement

[umarbutler]

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🐛 Bug (问题描述)

The final term of the PaddlePaddle Contributor License Agreement states: 9. PaddlePaddle reserves the right to update or change this Agreement at any time, by posting the most current version of the Agreement on PaddlePaddle, with a new Effective Date shown on Dec. 9th, 2019. All such changes in the Agreement are effective from the Effective Date. Your continued use of PaddlePaddle after we post any such changes signifies your agreement to those changes. If you do not agree to the then-current Agreement, you must immediately discontinue using PaddlePaddle. [Emphasis added]

This would seem to imply that, under the terms of the license agreement, it would be possible for PaddlePaddle to update the Contributor License Agreement to no longer grant a non-exclusive license but instead convert that into an exclusive license or otherwise modify the license in such a way that would regarded as unreasonable to most, and that change would then effectively become binding upon anyone who continues to make use of PaddlePaddle, unless they 'immediately discontinue' usage at the time that the agreement is updated.

Are there any plans to modify the agreement to exclude that term? I do not assume that it is intentionally unreasonable, I only wish to point out that it has the potential for exposing contributors to an unacceptable level of legal risk. I personally would not be comfortable with signing the agreement until that term is removed.

🏃‍♂️ Environment (运行环境)

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🌰 Minimal Reproducible Example (最小可复现问题的Demo)

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