 <span class="n">_affine_shift_scale</span> <span class="o">=</span> <span class="n">scaling_affine_shifting_init</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
        <span class="k">if</span> <span class="n">_affine_shift_scale</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">_affine_rescaling</span><span class="p">:</span>
            <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span>
       