chore: update command_line.py

[eltociear]

postive -> positive

[github-actions]

MLCommons CLA bot:
Thank you very much for your submission, we really appreciate it. Before we can accept your contribution, we ask that you sign the MLCommons CLA (Apache 2). Please use this [Google form] (https://forms.gle/Ew1KkBVpyeJDuRw67) to initiate authorization. If you are from an MLCommons member organization, we will request that you be added to the CLA. If you are not from a member organization, we will email you a CLA to sign. For any questions, please contact support@mlcommons.org.
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❌ @eltociear
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[wpietri]

Hey, thanks for your contribution, @eltociear! Do you need any help with the CLA requirement?

[wpietri]

Hey, @eltociear, anything I can do to help move this one along?

[wpietri]

Hi, @eltociear! Let me know how I can help you get this one approved. Or if you've moved on to other things, please let me know. If I don't hear back I'll eventually close the PR, but would be happy to reopen it in the future.