regular test failures on py310?

[ctb]

https://github.com/sourmash-bio/sourmash/actions/runs/12124074232/job/33800963960

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  Wrote HTML report to /home/runner/work/sourmash/sourmash/.tox/htmlcov/index.html
  coverage: commands[4]> diff-cover --compare-branch origin/latest /home/runner/work/sourmash/sourmash/.tox/coverage.xml
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  Diff Coverage
  Diff: origin/latest...HEAD, staged and unstaged changes
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  No lines with coverage information in this diff.
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  py310: OK (546.73=setup[395.32]+cmd[151.41] seconds)
  coverage: OK (15.27=setup[2.99]+cmd[0.18,2.39,2.91,6.50,0.32] seconds)
  docs: OK (37.06=setup[25.04]+cmd[12.00,0.02] seconds)
  package_description: FAIL code 1 (10.17=setup[6.23]+cmd[3.63,0.31] seconds)
  evaluation failed :( (609.83 seconds)