span> <span class="o">=</span> <span class="n">env_fn_wrapper</span><span class="o">.</span><span class="n">x</span><span class="p">()</span>
    <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
        <span class="n">cmd</span><span class="p">,</span> <span class="n">data</span> <span class="o">=</span> <span class="n">remote</span><span class="o">.</span><span class="n">recv</span><span class="p">()</span>
        <span class="k">if</span> <span class="n">cmd</span> <span