pan> <span class="bp">self</span><span class="o">.</span><span class="n">is_disabled</span><span class="p">():</span>
            <span class="k">return</span>

        <span class="k">if</span> <span class="n">_dependency_missing</span><span class="p">:</span>
            <span class="k">return</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">used_start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">process</span><span 