center: still working on display  of default params of  type &lt;class ‘oceantracker.util.parameter_checking.ParameterCoordsChecker’&gt;</p>
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<dt><code class="docutils literal notranslate"><span class="pre">grid_size</span></code>:  <em>&lt;optional&gt;</em></dt><dd><p>Description: - number of rows and columns in grid</p>
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<li><p>a list containing type:  <code class="docutils literal notranslate"><span class="pre">[]</span></code></p></li>