de"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu"><a href="init_env.html">init_env</a></span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> The interface to all required Python modules has been activated.</span>
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<span class="r-in"><span><span class="co"># load an example model with an already simulated tree sequence</span></span></span>
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