Replace lap.lapjv() with scipy.optimize.linear_sum_assignment() #3267
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Addresses #3234
This replaces the unmaintained and difficult-to-install lap dependency with scipy.optimize.linear_sum_assignment. This is important because
laprequires an old version ofsetuptools, and @dependabot has recommended pinning to a newer version ofsetuptoolsthat fixes a vulnerability. This PR does not attempt to pin setuptools yet.This PR also fixes a bug in
assert_equal()for integer tensors whereby some assertions were not being checked.Tested
pytest.skipfrom affected testsassert_equal()for integer tensors