Problem in your project's configuration. Invalid configuration option "build.os": build not found

Duplicated build.

We encountered a problem with a command while building your project. To resolve this error, double check your project configuration and installed dependencies are correct and have not changed recently.

Problem in your project's configuration. Invalid configuration option "build.os": os not found

The configuration key "build.os" is required to build your documentation. Read more at https://docs.readthedocs.io/en/stable/config-file/v2.html#build-os