code: def visit_boolop(self, node, parent):
          
          newnode = nodes.BoolOp(
              self._bool_op_classes[type(node.op)], node.lineno, node.col_offset, parent
          )
          newnode.postinit([self.visit(child, newnode) for child in node.values])
          return newnode
docs: visit a BoolOp node by returning a fresh instance of it