def copy(self, x=None, y=None):
return self.deepcopy(x=x, y=y)<EOL>
Create a shallow copy of the Keypoint object.

Parameters
----------
x : None or number, optional
    Coordinate of the keypoint on the x axis.
    If ``None``, the instance's value will be copied.

y : None or number, optional
    Coordinate of the keypoint on the y axis.
    If ``None``, the instance's value will be copied.

Returns
-------
imgaug.Keypoint
    Shallow copy.