Hi @Bryan Kelly,
Welcome to Microsoft Q&A!
Are you using the latest version of VS2019? If no, please update it with Visual Studio Installer.
Please ensure that you are using a supported version of Python such as Python 3.9 or higher version.
You can try to reinstall Python environment.
If it persists, you can share us more reproduce steps to investigate it further.
Sincerely,
Anna
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