How to use the pycodestyle.__version__ function in pycodestyle

def _get_package_version():
    packages = ["pycodestyle: {0}".format(pycodestyle.__version__)]
    return ", ".join(packages)

def _get_package_version():
    packages = ["pycodestyle: {0}".format(pycodestyle.__version__)]
    return ", ".join(packages)

def _register_extensions():
    """Register all the extensions."""
    extensions = util.OrderedSet()
    extensions.add(('pycodestyle', pep8.__version__))
    parser_hooks = []
    options_hooks = []
    ignored_hooks = []
    try:
        from pkg_resources import iter_entry_points
    except ImportError:
        pass
    else:
        for entry in iter_entry_points('flake8.extension'):
            # Do not verify that the requirements versions are valid
            checker = _load_entry_point(entry, verify_requirements=False)
            pep8.register_check(checker, codes=[entry.name])
            extensions.add((checker.name, checker.version))
            if hasattr(checker, 'add_options'):
                parser_hooks.append(checker.add_options)
            if hasattr(checker, 'parse_options'):

def _get_package_version():
    packages = ["pycodestyle: {0}".format(pycodestyle.__version__)]
    return ", ".join(packages)

def _get_package_version():
    packages = ["pycodestyle: {0}".format(pycodestyle.__version__)]
    return ", ".join(packages)

Parameters
        ----------
        config : dict
                 The dictionary loaded from ``trapdoor.cfg``.
        args : argparse.Namespace
            The result of parsing the command line arguments.

        Returns
        -------
        counter : collections.Counter
                  Counts of the number of messages of a specific type in a certain file.
        messages : Set([]) of strings
                   All errors encountered in the current branch.
        """
        # Get version
        print 'USING PYCODESTYLE  :', pycodestyle.__version__

        # Call pycodestyle
        styleguide = pycodestyle.StyleGuide(reporter=CompleteReport,
                                            config_file=self.config_file)
        styleguide.options.exclude.extend(config['py_exclude'])
        print 'EXCLUDED FILES     :', styleguide.options.exclude
        print 'IGNORED MESSAGES   :', styleguide.options.ignore
        print 'MAX LINE LENGTH    :', styleguide.options.max_line_length
        for py_directory in config['py_directories']:
            print 'RUNNING            : pycodestyle %s (through Python API)' % py_directory
            styleguide.input_dir(py_directory)

        # Parse the output of PyCodeStyle into standard return values
        counters = Counter(styleguide.options.report.counters)
        del counters['physical lines']
        del counters['logical lines']