Language: Python
Label: vulnerable
CWE: NVD-CWE-Other \u2014 Other
NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.

Code:
    def render(
        self, tokens: Sequence[Token], options: OptionsDict, env: MutableMapping
    ) -> str:
        """Takes token stream and generates HTML.

        :param tokens: list on block tokens to render
        :param options: params of parser instance
        :param env: additional data from parsed input

        """
        result = ""

        for i, token in enumerate(tokens):
            if token.type == "inline":
                assert token.children is not None
                result += self.renderInline(token.children, options, env)
            elif token.type in self.rules:
                result += self.rules[token.type](tokens, i, options, env)
            else:
                result += self.renderToken(tokens, i, options, env)

        return result