How to use the internetarchive.get_session function in internetarchive

def stream_from_pbox(itemname, filename):
    # TODO:  handle errors etc
    archive_session = get_session(config_file=settings.IATOOL_CONFIG_PATH)
    item = archive_session.get_item(itemname)
    files = item.get_files(filename)
    file = files.__next__()
    return file.download(return_responses=True)

def start_ia_session(self):
        """ starts an internet archive session """
        config = dict(s3=dict(acccess=settings.INTERNET_ARCHIVE_ACCESS_KEY,
                              secret=settings.INTERNET_ARCHIVE_SECRET_KEY))
        s = get_session(config=config,
                        debug=True)
        s.access_key = settings.INTERNET_ARCHIVE_ACCESS_KEY
        s.secret_key = settings.INTERNET_ARCHIVE_SECRET_KEY
        return s

def start_ia_session(self):
        """ starts an internet archive session """
        config = dict(s3=dict(acccess=settings.INTERNET_ARCHIVE_ACCESS_KEY,
                              secret=settings.INTERNET_ARCHIVE_SECRET_KEY))
        s = get_session(config=config,
                        debug=True)
        s.access_key = settings.INTERNET_ARCHIVE_ACCESS_KEY
        s.secret_key = settings.INTERNET_ARCHIVE_SECRET_KEY
        return s

def __init__(self, top_dir, access_key, secret_key, loglevel, logfile):
        self.top_dir      = top_dir
        self.access_key   = access_key
        self.secret_key   = secret_key
        self.headers      = {'x-archive-keep-old-version': '0'}

        session_data = {'access': access_key, 'secret': secret_key}
        if logfile:
            logconfig    = {'logging': {'level': loglevel, 'file': logfile}}
        else:
            logconfig    = {'logging': {'level': loglevel}}

        self.session = get_session({'s3': session_data, 'logging': logconfig})
        self.logger = logging.getLogger('gvision.ia')

from datetime import timedelta
    from django.utils import timezone
    import internetarchive
    from perma.models import Link
    from django.template.defaultfilters import truncatechars

    start_date = timezone.now() - timedelta(days=3)
    end_date   = timezone.now() - timedelta(days=2)

    links = Link.objects.filter(internet_archive_upload_status="completed", creation_timestamp__range=(start_date, end_date))

    guid_results = dict()
    all_results = dict()

    c = {"s3":{"access":settings.INTERNET_ARCHIVE_ACCESS_KEY, "secret":settings.INTERNET_ARCHIVE_SECRET_KEY}}
    internetarchive.get_session(config=c)

    for link in links:
        identifier = settings.INTERNET_ARCHIVE_IDENTIFIER_PREFIX + link.guid
        item = internetarchive.get_item(identifier)
        warc_name = "%s.warc.gz" % link.guid

        try:
            fnames = [f.name for f in internetarchive.get_files(identifier, glob_pattern="*gz")]
            guid_results["uploaded_file"] = warc_name in fnames
            if settings.INTERNET_ARCHIVE_COLLECTION == 'test_collection':
                guid_results["collection"] = item.metadata["collection"] == settings.INTERNET_ARCHIVE_COLLECTION
            else:
                guid_results["collection"] = item.metadata["collection"][0] == settings.INTERNET_ARCHIVE_COLLECTION
            guid_results["title"] = item.metadata["title"] == "%s: %s" % (link.guid, truncatechars(link.submitted_title, 50))
            guid_results["mediatype"] = item.metadata["mediatype"]=="web"
            guid_results["description"] = item.metadata["description"]=="Perma.cc archive of %s created on %s." % (link.submitted_url, link.creation_timestamp,)