3w36zj6

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<div class="code-block-container"><pre class="language-python"><code class="language-python">engine <span class="token operator">=</span> create_engine<span class="token punctuation">(</span><span class="token string">"mysql+pymysql://user:pw@host/db"</span><span class="token punctuation">,</span> pool_pre_ping<span class="token operator">=</span><span class="token boolean">True</span><span class="token punctuation">)</span>
</code></pre></div>