ss="s2">&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">serialization_version</span><span class="p">))</span></div>


    <span class="nd">@staticmethod</span>
    <span class="k">def</span><span class="w"> </span><span class="nf">_validate_serialization_version</span><span class="p">(</span><span class="n">version</span><span class="p">):</span>
        <span class="k">if</span> <span class="n">version</span> <span class="ow">is</span> <span class="