    &quot;&quot;&quot;</span>

    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">task</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">lang</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">model</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</spa