     x = abstractproperty(getx, setx)</span>

<span class="sd">    &#39;abstractproperty&#39; is deprecated. Use &#39;property&#39; with &#39;abstractmethod&#39;</span>
<span class="sd">    instead.</span>
<span class="sd">    &quot;&quot;&quot;</span>

    <span class="n">__isabstractmethod__</span> <span class="o">=</span> <span class="kc">True</span>


<span class="k">try</span><span class="p">:</span>
    <span class="kn">from</span> <span class="nn">_abc</span> <span class="kn">import</span> <span clas