@pytest.yield_fixture
def fs():
    patcher = _Patcher()
    patcher.setUp()
    yield
    patcher.tearDown()
Create the stateless feature object for an UNK rule (used for an OOV word)
dataset/ETHPy150Open jmcgeheeiv/pyfakefs/conftest.py/fs--crossover with--dataset/ETHPy150Open sfu-natlang/Kriya/src/Kriya-Decoder/featureManager.py/FeatureManager.buildUNKFeats