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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 _convert_bundle(bundle):
 """ Converts ambry bundle to dict ready to send to CKAN API. Args: bundle (ambry.bundle.Bundle):
 bundle to convert. Returns: dict: dict to send to CKAN to create dataset. See http://docs.ckan.org/en/latest/api/#ckan.logic.action.create.package_create """

    # shortcut for metadata
    meta = bundle.dataset.config.metadata

    notes = ''

    for f in bundle.dataset.files:
        if f.path.endswith('documentation.md'):
            contents = f.unpacked_contents
            if isinstance(contents, six.binary_type):
                contents = contents.decode('utf-8')
            notes = json.dumps(contents)
            break

    ret = {
        'name': bundle.dataset.vid.lower(),
        'title': meta.about.title,
        'author': meta.contacts.wrangler.name,
        'author_email': meta.contacts.wrangler.email,
        'maintainer': meta.contacts.maintainer.name,
        'maintainer_email': meta.contacts.maintainer.email,
        'license_id': '',
        'notes': notes,
        'url': meta.identity.source,
        'version': bundle.dataset.version,
        'state': 'active',
        'owner_org': CKAN_CONFIG['organization'],
    }
    return ret