Update base.py

[alistvt]

adding param explanations for files_upload

Checklist

General Contributing

• Have you read the Code of Conduct and signed the CLA?

Is This a Code Change?

• Non-code related change (markdown/git settings etc)
• SDK Code Change
• Example/Test Code Change

Validation

• Does tox pass?
• Do the tests pass?

[CLAassistant]

All committers have signed the CLA.

[greg-db]

Thanks! That file is actually autogenerated though, so that change wouldn't be persisted across releases. This would need to be addressed in the generator.

I'll ask the team to investigate why these parameters aren't always being automatically included in the documentation.