我正在按照以下说明通过Google colab访问Google云端硬盘：gdrive_colab
前两个单元格工作正常，但以下单元格：
# Generate creds for the Drive FUSE library.
from oauth2client.client import GoogleCredentials
creds = GoogleCredentials.get_application_default()
import getpass
# Work around misordering of STREAM and STDIN in Jupyter.
# https://github.com/jupyter/notebook/issues/3159
prompt = !google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret} < /dev/null 2>&1 | grep URL
vcode = getpass.getpass(prompt[0] + '\n\nEnter verification code: ')
!echo {vcode} | google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret}
产生以下错误：
Please, open the following URL in a web browser: https://accounts.google.com/o/oauth2/auth?client_id=32555940559.apps.googleusercontent.com&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdrive&response_type=code&access_type=offline&approval_prompt=force
Please enter the verification code: Cannot retrieve auth tokens.
Failure("Unexpected error response: {\n \"error\" : \"invalid_grant\",\n \"error_description\" : \"Malformed auth code.\"\n}")
Please, open the following URL in a web browser: https://accounts.google.com/o/oauth2/auth?client_id=32555940559.apps.googleusercontent.com&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdrive&response_type=code&access_type=offline&approval_prompt=force
Enter verification code: ··········
有什么想法要解决吗？