def _check_node(self, container, node):
        if isinstance(node, (self.dtd.Input, self.dtd.Select, self.dtd.Textarea)):
            try:
                l = container[node.name]
            except __HOLE__:
                l = container[node.name] = []
            l.append(node)
            raise XMLVisitorContinue
dataset/ETHPy150Open kdart/pycopia/WWW/pycopia/WWW/XHTML.py/FormMixin._check_node