aug7 parsing

[bmcfee]

Fixes #429

This basically consists of adding one more quality decoding map and a corresponding test to ensure that aug7 is parsed correctly.

I don't think there's much else to do here.

[Copilot]

Pull request overview

This PR adds support for the aug7 (augmented seventh) chord quality to the chord parsing functionality. The issue occurred because aug7 was already recognized by the regex pattern for valid chord labels but was missing from the QUALITIES dictionary, causing encoding failures.

Changes:

• Added aug7 chord quality bitmap definition to QUALITIES dictionary in mir_eval/chord.py
• Added test case for Ab:aug7 chord encoding in tests/test_chord.py

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
mir_eval/chord.py	Added aug7 quality bitmap [1,0,0,0,1,0,0,0,1,0,1,0] representing root, major 3rd, augmented 5th, and minor 7th
tests/test_chord.py	Added test case verifying Ab:aug7 encodes correctly with expected root, interval bitmap, and bass values

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
unittests	85.66% <ø> (ø)

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Files with missing lines	Coverage Δ
mir_eval/chord.py	99.20% <ø> (ø)

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[craffel]

Looks ok to merge too?

[bmcfee]