Skip parsing parameters if none given

[m4ksio]

Goal of this PR

Do not attempt to parse script parameters if none are given

Checklist

Does the PR require tests to be added or updated?

No

Does the PR require documentation to be added or updated?

No doc changes needed

Misc

• [x] PR title will be clear as part of the changelog
• [x] PR is against the correct branch
• [x] PR is labelled appropriately
• [ ] PR is linked to an issue

[m4ksio]

so in this case I assume we're attempting to parse "" as a cadence argument which does not work, right?

Exactly.