class="bp">self</span><span class="o">.</span><span class="n">lower_bound</span> <span class="o">=</span> <span class="n">lower_bound</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">upper_bound</span> <span class="o">=</span> <span class="n">upper_bound</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">pm_means</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</sp