</span><span class="p">,</span> <span class="n">key_name</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">key_location</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">security_group</span><span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>

    <span class="sd">&quot;&quot;&quot;</span>
<span class