on.org/3/library/functions.html#float" title="(in Python v3.13)"><em>float</em></a>) – Risk level controlling the CVaR conservativeness. Must satisfy 0 &lt; alpha ≤ 1.
Defaults to 1.0 (equivalent to worst-case optimization).</p></li>
<li><p><strong>kernel</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.13)"><em>str</em></a>)</p></li>
</ul>
</dd>
<dt class="field-even">Raises<span class="colon">:</span></dt>
<dd class="field-even"><p