dd class="field-odd"><p><strong>case_def</strong> – The case definition object</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>True if data exists, False if not</p>
</dd>
</dl>
</dd></dl>

<dl class="py attribute">
<dt id="id5">
<code class="sig-name descname">__dict__</code><em class="property"> = mappingproxy({'__module__': 'pyplotgen', '__doc__': '\n    Main class for the pyplotgen program.\n    After processing the command line options in the main function,\n    an instance of 