or</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span>
            <span class="k">if</span> <span class="n">np</span><span class="o">.</span><span class="n">ndim</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="n">i</span><span class="p">])</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
                <span class="bp">self</span><span class="o">.</span><span class="