How to use the jsbeautifier.javascript.acorn function in jsbeautifier

def __init__(self, input_string, opts):
        BaseTokenizer.__init__(self, input_string, opts)
        # This is not pretty, but given how we did the version import
        # it is the only way to do this without having setup.py fail on a missing
        # six dependency.
        self._six = __import__("six")

        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn

        self.in_html_comment = False
        self.has_char_escapes = False

        # comment ends just before nearest linefeed or end of file
        # IMPORTANT: This string must be run through six to handle \u chars
        self._whitespace_pattern = re.compile(
            self._six.u(r'[\n\r\u2028\u2029\t\u000B\u00A0\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff ]+'))
        self._newline_pattern = re.compile(
            self._six.u(r'([^\n\r\u2028\u2029]*)(\r\n|[\n\r\u2028\u2029])?'))
        # // comment ends just before nearest linefeed or end of file

        self.comment_pattern = re.compile(
            self._six.u(r'//([^\n\r\u2028\u2029]*)'))

def __init__(self, opts=None):
        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn
        self._options = BeautifierOptions(opts)

        self._blank_state()

def __init__(self, opts=None):
        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn
        self._options = BeautifierOptions(opts)

        self._blank_state()

def __init__(self, input_string, opts):
        BaseTokenizer.__init__(self, input_string, opts)

        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn

        self.in_html_comment = False
        self.has_char_escapes = False

        self._patterns = TokenizerPatterns(self._input, self.acorn)

def __init__(self, opts=None):
        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn
        self._options = BeautifierOptions(opts)

        self._blank_state()

def __init__(self, input_string, opts):
        BaseTokenizer.__init__(self, input_string, opts)

        import jsbeautifier.javascript.acorn as acorn
        self.acorn = acorn

        self.in_html_comment = False
        self.has_char_escapes = False

        self._patterns = TokenizerPatterns(self._input, self.acorn, opts)