def test_layers_view():
    X = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
    L = np.array([[10, 11, 12], [13, 14, 15], [16, 17, 18]])
    real_adata = ad.AnnData(X)
    real_adata.layers["L"] = L
    view_adata = real_adata[1:, 1:]
    real_hash = joblib.hash(real_adata)
    view_hash = joblib.hash(view_adata)

    assert view_adata.is_view

    with pytest.raises(ValueError):
        view_adata.layers["L2"] = L + 2

    assert view_adata.is_view  # Failing to set layer item makes adata not view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash == joblib.hash(view_adata)

    view_adata.layers["L2"] = L[1:, 1:] + 2

    assert not view_adata.is_view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash != joblib.hash(view_adata)
def __init__(
        self,
        credential: "AsyncTokenCredential",
        subscription_id: str,
        base_url: str = "https://management.azure.com",
        **kwargs: Any
    ) -> None:
        self._config = SqlVirtualMachineManagementClientConfiguration(credential=credential, subscription_id=subscription_id, **kwargs)
        self._client = AsyncARMPipelineClient(base_url=base_url, config=self._config, **kwargs)

        client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)
        self._serialize.client_side_validation = False
        self.availability_group_listeners = AvailabilityGroupListenersOperations(self._client, self._config, self._serialize, self._deserialize)
        self.operations = Operations(self._client, self._config, self._serialize, self._deserialize)
        self.sql_virtual_machine_groups = SqlVirtualMachineGroupsOperations(self._client, self._config, self._serialize, self._deserialize)
        self.sql_virtual_machines = SqlVirtualMachinesOperations(self._client, self._config, self._serialize, self._deserialize)