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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_host_health_fan_sensors(self, data=None):
 """Get the health Fan Sensor Report. :param: the data to retrieve from the server, defaults to None. :returns: the dictionary containing the fan sensor information. :raises: IloConnectionError if failed connecting to the iLO. :raises: IloError, on an error from iLO. """

        data = self.get_host_health_data(data)
        d = data['GET_EMBEDDED_HEALTH_DATA']['FANS']['FAN']
        if not isinstance(d, list):
            d = [d]
        return d