n class="key">import</span> <span class="nam">logging</span>&nbsp;</span><span class="r"></span></p>
    <p id="t4" class="run"><span class="n"><a href="#t4">4</a></span><span class="t"><span class="key">from</span> <span class="nam">typing</span> <span class="key">import</span> <span class="nam">Optional</span>&nbsp;</span><span class="r"></span></p>
    <p id="t5" class="pln"><span class="n"><a href="#t5">5</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
    <p id="t6" class="run"><span