"o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_model</span><span class="o">.</span><span class="n">predict_output</span><span class="p">(</span><span class="n">sent_a</span><span class="p">,</span> <span class="n">sent_b</span><span class="p">)</span>
        <span class="k">return</span> <span class="nb">float</span><span class="p">(</span><span class="s2">&quot;</span><span class="si">{:.3f}</span><span class="s2">&quot;</span><span class="o">.</span><span class="n">form