</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">_compression_type</span><span class="p">)</span> <span class="k">as</span> <span class="n">writer</span><span class="p">:</span>
            <span class="k">for</span> <span class="n">X</span><span class="p">,</span><span class="n">y</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span>
                <span class="n">X</span><span class="p">[</span><span class="s1">&#39;label&#