Fixture 'allclose' not found

[npow]

I keep getting fixture 'allclose' not found when running the test example. Do I need to add something to pytest.ini or import allclose somewhere?

def test_feature(allclose):
    assert allclose(test_array, target_array)

E       fixture 'allclose' not found
>       available fixtures: anyio_backend, anyio_backend_name, anyio_backend_options, cache, capfd, capfdbinary, caplog, capsys, capsysbinary, class_mocker, cov, dash_br, dash_duo, dash_process_server, dash_thread_server, dashjl, dashjl_server, dashr, dashr_server, diskcache_manager, doctest_namespace, hydra_restore_singletons, hydra_sweep_runner, hydra_task_runner, mocker, module_mocker, monkeypatch, no_cover, package_mocker, pytestconfig, random_training_data, record_property, record_testsuite_property, record_xml_attribute, recwarn, requests_mock, row, session_mocker, snapshot, testrun_uid, tmp_path, tmp_path_factory, tmpdir, tmpdir_factory, worker_id
>       use 'pytest --fixtures [testpath]' for help on them.