="nb">print</span><span class="p">(</span><span class="s1">'AWS_ACCESS_KEY_ID env not found, *not* loading AWS backend'</span><span class="p">)</span>

        <span class="c1"># See: https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/get-started-text-to-speech?pivots=programming-language-python</span>
        <span class="k">if</span> <span class="s1">'SPEECH_KEY'</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span cl