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Python 3.12 Test Summary

tests/test_xarray.py::test_multi_index_groupby_sum[flox]: TypeError: can only concatenate tuple (not "list") to tuple
tests/test_xarray.py::test_multi_index_groupby_sum[numpy]: TypeError: can only concatenate tuple (not "list") to tuple
tests/test_xarray.py::test_preserve_multiindex: TypeError: can only concatenate tuple (not "list") to tuple