code: def l2_normalize(x, axis=0, epsilon=1e-12):
      """
      Transforms an `ndarray` to have a unit l2 norm along
      a given direction.
      ----------
      x : `ndarray`
          The array to be transformed.
      axis : `int`
          The axis that will be l2 unit normed.
      epsilon: `float`
          A small value such as to avoid division by zero.
  
      Returns
      -------
      x : (D,) `ndarray`
          The transformed array.
      """
      return x / np.maximum(np.linalg.norm(x, axis=axis), epsilon)
  
imports: import numpy
  from menpo.transform import UniformScale, Translation
label_desc: Use image node_id 1 for calling a global function with example usage: l2_normalize(x, axis, epsilon) and returns: unknown