How to use the onedrivesdk.get_default_client function in onedrivesdk

assert CLIENT_ID
    assert CLIENT_SECRET
    assert REDIRECT_URL

    if RELOAD_DRIVE:
        RELOAD_DRIVE = False
        ONEDRIVE_HANDLE = None

    if ONEDRIVE_HANDLE is not None:
        return ONEDRIVE_HANDLE

    if session_path is None:
        assert SESSION_SAVE_PATH
        session_path = SESSION_SAVE_PATH

    client = onedrivesdk.get_default_client(client_id=CLIENT_ID, scopes=CLIENT_SCOPES)
    if os.path.exists(session_path):
        # load session 
        log.debug("Load saved session")
        client.auth_provider.load_session(path=session_path)
        client.auth_provider.refresh_token()

    else:
        dirp = os.path.dirname(session_path)
        if not os.path.exists(dirp):
            try:
                os.makedirs(dirp)
                os.chmod(dirp, 0700)
            except Exception as e:
                if DEBUG:
                    log.exception(e)

__author__ = 'RaspiRepo'
import onedrivesdk
from selenium import webdriver
from selenium.webdriver.common.by import By
import time

#Onedrive Access
redirect_uri = "https://login.live.com/oauth20_desktop.srf"
client_secret = "client_secret"
client_id_str = "client_id"


user_name = 'username'
password = 'your password'

client = onedrivesdk.get_default_client(client_id=client_id_str,
                                        scopes=['wl.signin',
                                                'wl.offline_access',
                                                'onedrive.readwrite'])
auth_url = client.auth_provider.get_auth_url(redirect_uri)
driver = webdriver.PhantomJS()  # 'phantomjs')

driver.set_window_size(320,240)
driver.maximize_window()

# chrome_driver = webdriver.Chrome('chromedriver')
# chrome_driver.set_window_size(2, 2)

driver.get(auth_url)
driver.implicitly_wait(8)
driver.get(auth_url)

def __save_credentials(self, session_file):
        # api_base_url = self.__config.get('onedrive', 'onedrive.api_base_url')
        redirect_uri = 'http://localhost:8080/'
        client_id = self.__config.get('onedrive', 'onedrive.client_id')
        client_secret = self.__config.get('onedrive', 'onedrive.client_secret')

        client = onedrivesdk.get_default_client(client_id=client_id, scopes=self.__scopes)

        auth_url = client.auth_provider.get_auth_url(redirect_uri)

        # this will block until we have the code
        code = GetAuthCodeServer.get_auth_code(auth_url, redirect_uri)

        client.auth_provider.authenticate(code, redirect_uri, client_secret)

        # Save the session for later
        client.auth_provider.save_session(path=session_file)
        log_info('[+] new credentials saved')

def start_connection(self):
        client_id = self.app_credentials['client_id']

        self.client = onedrivesdk.get_default_client(client_id=client_id, scopes=self.SCOPES)
        auth_url = self.client.auth_provider.get_auth_url(self.get_oauth_redirect_url())
        return auth_url

def _connect(self, _session):
        # to be called with a OneDrive session object or pickle  string
        if type(_session) in [str, unicode]:
            _session = pickle.loads(_session)

        if self.client is None:
            client_id = self.app_credentials['client_id']
            self.client = onedrivesdk.get_default_client(client_id=client_id, scopes=self.SCOPES)
        self.client.auth_provider._session = _session

        # get email
        url = "https://apis.live.net/v5.0/me"
        with self.exception_handler():
            req = onedrivesdk.request_base.RequestBase(url, self.client, [])
            req.method = "GET"
            res = req.send()
            assert res.status == 200
            self.email = json.loads(res.content)["emails"]["preferred"]

        self.credential_manager.set_user_credentials(self.__class__, self.uid, pickle.dumps(_session))