line</span> <span class="o">=</span> <span class="n">ramanspy</span><span class="o">.</span><span class="n">preprocessing</span><span class="o">.</span><span class="n">Pipeline</span><span class="p">([</span>
    <span class="n">ramanspy</span><span class="o">.</span><span class="n">preprocessing</span><span class="o">.</span><span class="n">misc</span><span class="o">.</span><span class="n">Cropper</span><span class="p">(</span><span class="n">region</span><span class="o">=</span><span class="p">(</span><s