class_docstr: A single keypoint (aka landmark) on an image.
  
  Parameters
  ----------
  x : number
      Coordinate of the keypoint on the x axis.
  
  y : number
      Coordinate of the keypoint on the y axis.
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docstr: Create a shallow copy of the keypoint instance.
  
  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.augmentables.kps.Keypoint
      Shallow copy.
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code: def copy(self, x=None, y=None):
      """Create a shallow copy of the keypoint instance.
  
      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.augmentables.kps.Keypoint
          Shallow copy.
  
      """
      return self.deepcopy(x=x, y=y)
  
imports: from __future__ import print_function, division, absolute_import
  import numpy
  import scipy.spatial.distance
  import six.moves
  from ..None import imgaug
  from .base import IAugmentable
  from .utils import normalize_imglike_shape, project_coords, _remove_out_of_image_fraction_, _handle_on_image_shape
label_desc: Use image node_id 17 for calling the Keypoint obj's underlying member method code with example usage: obj.copy(x, y) and returns: self