an class="fm">__init__</span><span class="p">(</span>
        <span class="bp">self</span><span class="p">,</span>
        <span class="n">model</span><span class="p">:</span> <span class="n">nn</span><span class="o">.</span><span class="n">Module</span><span class="p">,</span>
        <span class="n">mp_group</span><span class="p">:</span> <span class="n">Any</span><span class="p">,</span>
        <span class="n">fp16</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span>
     