Read the sensor proximity and return it as an unsigned 16-bit value.
        The larger the value the closer an object is to the sensor.

def read_proximity(self, timeout_sec=1):
        """Read the sensor proximity and return it as an unsigned 16-bit value.
        The larger the value the closer an object is to the sensor.
        """
        # Clear any interrupts.
        self._clear_interrupt(VCNL4010_INT_PROX_READY)
        # Call base class read_proximity and return result.
        return super(VCNL4010, self).read_proximity(timeout_sec)