</span><span class="o">.</span><span class="n">group_dim</span> <span class="o">=</span> <span class="n">group_dim</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">scaling_stats_impl</span> <span class="o">=</span> <span class="n">scaling_stats_impl</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">scaling_min_val</span> <span class="o">=</span> <span class="n">scaling_min_val</span>
        <span class="bp">self</span><span class="o">.</spa