types</span>.variance)&nbsp;list;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pci_name&nbsp;:&nbsp;string&nbsp;<span class="constructor">Asttypes</span>.loc;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pci_expr&nbsp;:&nbsp;<span class="keywordsign">'</span>a;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pci_loc&nbsp;:&nbsp;<span class="constructor">Location</span>.t;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pci_attributes&nbsp;:&nbsp;<span class="constructor">Parsetree</span>.attributes;<br>
&nbsp;&nbsp;}<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;class_des