code: def inverse_affine(affine):
      return spl.inv(affine)
  
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 6 for calling a global function with example usage: inverse_affine(affine) and returns: spl