Close: PEP8 compliance already implemented

[Copilot]

Issue requested switching Python code from 2-space to 4-space indentation per PEP8. Investigation confirms this work was already completed upstream.

Verification

• All 84 Python files pass black --check
• Black enforced via CI in .github/workflows/verify-pull-request.yml
• pyproject.toml configures Black with appropriate exclusions
• Original upstream issue (PEP8-ify Emboss Code google/emboss#76) is marked closed

No code changes required.

Original prompt

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This section details on the original issue you should resolve

<issue_title>PEP8-ify Emboss Code</issue_title>
<issue_description>This issue was copied from the upstream repository google/emboss.

Original issue: google#76
Original state: closed, created at: 2023-03-06T22:02:09Z, updated at: 2024-09-06T23:59:52Z, by @reventlov

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Original description

In particular, 2-space indent should be switched over to 4-space indent, to match PEP8 and (current external) Google Python style.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes PEP8-ify Emboss Code #64

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