lf</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flags_keys</span><span class="p">)</span>
        <span class="n">flags_nml</span> <span class="o">=</span> <span class="n">f90nml</span><span class="o">.</span><span class="n">Namelist</span><span class="p">({</span><span class="s2">&quot;flags&quot;</span><span class="p">:</span> <span class="n">flags_dict</span><span class="p">})</span>
        <span class="n">control_str</span> <span class="o">+=</span>