Hi @Learner ,
Your problem is related to the OneDrive for Developer, I suggest you post this issue to OneDrive Developer forum:
https://techcommunity.microsoft.com/t5/onedrive-developer/bd-p/OneDriveDeveloper
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
I also suggest you refer to this article:
https://www.lieben.nu/liebensraum/2019/04/uploading-a-file-to-onedrive-for-business-with-python/
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Hope the information is helpful.
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