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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def fail_eof(self, end_tokens=None, lineno=None):
 """Like fail_unknown_tag but for end of template situations."""

        stack = list(self._end_token_stack)
        if end_tokens is not None:
            stack.append(end_tokens)
        return self._fail_ut_eof(None, stack, lineno)