def test_deepcopy_subset(adata, spmat: type):
    adata.obsp["arr"] = np.zeros((adata.n_obs, adata.n_obs))
    adata.obsp["spmat"] = spmat((adata.n_obs, adata.n_obs))

    adata = deepcopy(adata[:10].copy())

    assert isinstance(adata.obsp["arr"], np.ndarray)
    assert not isinstance(adata.obsp["arr"], ArrayView)
    np.testing.assert_array_equal(adata.obsp["arr"].shape, (10, 10))

    assert isinstance(adata.obsp["spmat"], spmat)
    assert not isinstance(
        adata.obsp["spmat"],
        SparseCSRView if spmat is sparse.csr_matrix else SparseCSCView,
    )
    np.testing.assert_array_equal(adata.obsp["spmat"].shape, (10, 10))
def from_json(self, filename: str, silent: bool = False) -> bool:
        """Update the values in the config from a JSON file. The loaded
        data is passed to the :meth:`from_mapping` method.

        :param filename: The path to the JSON file. This can be an
            absolute path or relative to the config root path.
        :param silent: Ignore the file if it doesn't exist.

        .. deprecated:: 2.0.0
            Will be removed in Flask 2.1. Use :meth:`from_file` instead.
            This was removed early in 2.0.0, was added back in 2.0.1.

        .. versionadded:: 0.11
        """
        import warnings
        from . import json

        warnings.warn(
            "'from_json' is deprecated and will be removed in Flask"
            " 2.1. Use 'from_file(path, json.load)' instead.",
            DeprecationWarning,
            stacklevel=2,
        )
        return self.from_file(filename, json.load, silent=silent)