="nb">len</span><span class="p">(</span><span class="n">query_tokens</span><span class="p">)</span><span class="si">}</span><span class="s1">, </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">key_tokens</span><span class="p">)</span><span class="si">}</span><span class="s1">]; got &#39;</span>
                             <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="nb">list</span><span class="p">(</span><span c