def _get_instance(hass):
    try:
        return _INSTANCES[hass]
    except KeyError:
        _INSTANCES[hass] = Configurator(hass)

        if DOMAIN not in hass.config.components:
            hass.config.components.append(DOMAIN)

        return _INSTANCES[hass]
Gets the scatter property for an object.
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/configurator.py/_get_instance--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/old_datastore_stub_util.py/_GetScatterProperty