Set region of the screen area
        Args:
            bounds: Bounds object

        Returns:
            A new AndroidDevice object

        Raises:
            TypeError

def region(self, bounds):
        """Set region of the screen area
        Args:
            bounds: Bounds object

        Returns:
            A new AndroidDevice object

        Raises:
            TypeError
        """
        if not isinstance(bounds, Bounds):
            raise TypeError("region param bounds must be isinstance of Bounds")
        _d = copy.copy(self)
        _d._bounds = bounds
        return _d