History investigation

Command: git log --all --oneline -- tests/parity/
Output: <no output>

Command: git log --all --diff-filter=D --name-only -- 'tests/parity/*.py'
Output: <no output>

Command: git log --all --oneline --follow -- 'tests/parity/test_voxcpm_single_step_parity.py'
Output: <no output>

Command: git log --all --oneline --follow -- 'tests/parity/test_voxcpm2_module_parity.py'
Output: <no output>

Verification

Command: test -f tests/parity/README.md && printf 'README present\n'; git ls-files tests/parity | grep -c pyc
Output:
README present
0

Result

No recoverable tracked parity test sources were found in git history for this snapshot. Stale bytecode was removed and tests/parity/README.md documents the situation.
