'Initialize a Pi-Hole sensor.'

def __init__(self, hass, api, name, variable):

    self._hass = hass
    self._api = api
    self._name = name
    self._var_id = variable
    variable_info = MONITORED_CONDITIONS[variable]
    self._var_name = variable_info[0]
    self._var_units = variable_info[1]
    self._var_icon = variable_info[2]
