Traceback (most recent call last):


 "test.py", line 9, in <module>

from pydrive.auth import GoogleAuth


 "/usr/local/lib/python2.7/dist-packages/pydrive/auth.py", line 9, in <module>

from oauth2client.service_account import ServiceAccountCredentials


 "/usr/local/lib/python2.7/dist-packages/oauth2client/service_account.py", line 26, in <module>

from oauth2client import crypt


 "/usr/local/lib/python2.7/dist-packages/oauth2client/crypt.py", line 23, in <module>

from oauth2client import _pure_python_crypt


 "/usr/local/lib/python2.7/dist-packages/oauth2client/_pure_python_crypt.py", line 24, in <module>

from pyasn1_modules.rfc2459 import Certificate


 "/usr/local/lib/python2.7/dist-packages/pyasn1_modules/rfc2459.py", line 20, in <module>

from pyasn1.type import opentype
ImportError: cannot import name opentype

Traceback (most recent call last):


 "/home/ballal/Skripte/PCA.py", line 33, in <module>

from sklearn.preprocessing import StandardScaler


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/sklearn/__init__.py", line 76, in <module>

from .base import clone


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/sklearn/base.py", line 16, in <module>

from .utils import _IS_32BIT


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/sklearn/utils/__init__.py", line 17, in <module>

from . import _joblib


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/sklearn/utils/_joblib.py", line 8, in <module>

import joblib


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/joblib/__init__.py", line 120, in <module>

from .parallel import Parallel


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/joblib/parallel.py", line 29, in <module>

from .externals.cloudpickle import dumps, loads


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/joblib/externals/cloudpickle/__init__.py", line 7, in <module>

from .cloudpickle import *


 "/home/ballal/Skripte/venv/lib64/python3.6/site-packages/joblib/externals/cloudpickle/cloudpickle.py", line 77, in <module>

from typing import ClassVar
ImportError: cannot import name 'ClassVar'
