n requirements.txt are needed in setup.py, but not always all.</p>
</div>
<table border="1" class="colwidths-given docutils" id="id2">
<caption><span class="caption-text">Examples of requirements.txt but setup.py</span><a class="headerlink" href="#id2" title="Permalink to this table">¶</a></caption>
<colgroup>
<col width="38%" />
<col width="63%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Package</th>
<th class="head">Reason</th>
</tr>
</thead>
<tbody valign="top">
<tr clas