code: def _set_translation(self, x):
      self._vec12[0:3] = x
  
imports: import numpy
  import scipy.linalg
  from nibabel.affines import apply_affine
  from transforms3d.quaternions import mat2quat, quat2axangle
  from .transform import Transform
label_desc: Use image node_id 8 for calling the Affine obj's underlying member method code with example usage: obj._set_translation(x) without return types